Harvia sentiotec Pro-C3 User manual
Version 04/18 ID no. 1-026-969
EN
INSTRUCTIONS FOR INSTALLATION AND USE
English
Sauna control unit
Pro C3
PRO-C3
Table of Contents
1. About this instruction manual 5
2. Important information for your safety 6
2.1. Intended use 6
2.2. Safety information for the installer 7
2.3. Safety information for the user 8
3. Product description 9
3.1. Scope of delivery 9
3.2. Optional accessories 9
3.3. Product functions 9
3.4. Sauna operating modes 11
3.5. Sensor operating modes 11
4. Installation 13
4.1. Installing the sauna control unit 13
4.2. Installing the heater sensor F1 with excess temperature fuse 15
4.3. Installing bench sensor F2 (optional) 16
4.4. Installing the humidity temperature sensor FTS2 (optional) 16
4.5. Installing the foil sensor (optional) 17
5. Electrical connection 18
5.1. Connecting the power supply cable, heater and evaporator 19
5.2. Connecting the light 19
5.3. Connecting the fan (optional) 20
5.4. Connecting the additional output (optional) 20
5.5. Connecting the power booster (optional) 20
5.6. Connecting heater sensor F1 21
5.7. Installing bench sensor F2 (optional) 21
5.8. Installing humidity temperature sensor FTS2 (optional) 21
5.9. Connecting the lm sensor (optional) 21
EN
5.10. Connecting the safety shut-off 22
5.11. Remote start 22
5.12. Status output 23
5.13. Finishing installation 23
6. Performing tests 24
7. Connection diagram 26
8. Starting up 27
8.1. Function selection switch settings 27
8.2. Settings in the technician menu 29
9. Operating elements 34
9.1. Description of the operating elements 34
9.2. The function selector 34
9.3. The intensity selector 35
10. Operation 35
10.1. Switching on the light 35
10.2. Switching on the sauna control unit 36
10.3. Starting sauna mode 36
10.4. Starting combi mode 37
10.5. Starting additional output 38
10.6. Switching on the light 40
10.7. Starting the fan 41
10.8. Setting the preset time 42
10.9. Cancelling the preset time function 43
10.10.Setting the duration 43
10.11.Activating standby for remote operation 44
10.12.Changing the preset values 44
10.13.Cancelling the post-drying programme 45
10.14.Switching off functions 45
10.15.Switching off the sauna control unit 45
11. User program 46
11.1. Preset user programs 46
11.2. Accessing user programs 47
11.3. Creating your own user programs 47
12. The Eco-function 49
13. Cleaning and maintenance 50
13.1. Cleaning 50
13.2. Maintenance 50
14. Disposal 50
15. Troubleshooting 51
15.1. Error messages 51
15.2. Low-water display 52
15.3. Fuses 52
16. Technical data 53
EN
Instructions for installation and use p. 5/54
1. About this instruction manual
Read these instructions for installation and use carefully and keep them within
reach of the sauna control unit. This ensures that you can refer to information
regarding your safety and regarding operation at any time.
Symbols used for warning notices
In these instructions for installation and use, a warning notice located next to
an activity indicates that this activity poses a risk. Always observe the warning
notices. This prevents damage to property and injuries, which in the worst case
may be fatal.
The warning notices contain keywords, which have the following meanings:
DANGER!
Serious or fatal injury will occur if this warning notice is not observed.
WARNING!
Serious or fatal injury can occur if this warning notice is not observed.
CAUTION!
Minor injuries can occur if this warning notice is not observed.
ATTENTION!
This keyword is a warning that damage to property can occur.
Other symbols
This symbol indicates tips and useful information.
These installation and operating instructions can also be found in the
downloads section of our website: www.sentiotec.com/downloads.
Instructions for installation and use p. 6/54
2. Important information for your safety
The sauna control unit Pro C3 has been produced in accordance
with the applicable safety regulations for technical units. However,
hazards may occur during use. Therefore adhere to the following
safety information and the specic warning notices in the individual
chapters. Also observe the safety information for the devices con-
nected.
2.1. Intended use
The sauna control unit Pro C3 is used exclusively for operating and
controlling the sauna functions in accordance with the technical data.
The sauna control unit Pro C3 may only be used for operating and
controlling a sauna heater which has been certied as satisfying
the combustion test described in paragraph 19.101 of EN 60335-
2-53. If the heater does not meet this requirement, an appropriate
safety precaution must be taken (for example: safety shut-off, see
5.10 on page 22).
The sauna control unit Pro C3 may only be used for operating and
controlling 3 heating circuits with a maximum heating capacity of
3.5 kW per heating circuit. The maximum evaporator capacity totals
3.5 kW. The maximum additional output capacity totals 3.5 kW.
Any use exceeding this scope is considered improper use. Improper
use can result in damage to the product, in severe injuries or death.
EN
Instructions for installation and use p. 7/54
2.2. Safety information for the installer
●Installation may only be performed by a qualied electrician or
similarly qualied person.
●Work on the sauna control unit may only be performed when the
power has been disconnected.
●An all-pole disconnecting device with full cut-off compliant with
overvoltage category III must be tted on-site.
●The sauna control unit must be installed outside the sauna room
at a height of approx. 1.70 m or in accordance with the rec-
ommendation issued by the sauna manufacturer. The ambient
temperature must be within a range spanning -10 °C to +40 °C.
●The heater sensor must be attached in a way that it is not af-
fected by a ow of air.
●The heater supply cable must have a minimum cross-section of
2.5 mm2and be temperature resistant up to 150 °C.
●Also comply with the regulations applicable at the installation
location.
●For your own safety, consult your supplier in the event of prob-
lems that are not explained in sufcient detail in the installation
instructions.
Instructions for installation and use p. 8/54
2.3. Safety information for the user
●The sauna control unit must not be used by children under
8 years old.
●The sauna control unit may only be used by children above 8 years
old, by persons with limited psychological, sensory or mental
capabilities or by persons with lack of experience/knowledge:
– When they are supervised.
– When they have been shown how to use the device safely
and are aware of the hazards that could occur.
●Children must not play with the sauna control unit.
●Children under 14 years of age may only clean the sauna control
unit if they are supervised.
● For health reasons, do not use the sauna when under the inu-
ence of alcohol, medication or drugs.
● Make sure that no ammable objects have been placed on the
sauna heater before the sauna control unit is switched on.
● Make sure that no ammable objects have been placed on the
heater before activating the preset time function or the stand-by
mode for the remote start.
●Make sure that no flammable objects have been placed on
or in front of the infrared lamp before the sauna control unit is
switched on.
● Make sure that no ammable objects have been placed on the
heater before activating the infrared lamp or the stand-by mode
for the remote start.
●For your own safety, consult your supplier in the event of prob-
lems that are not described in sufcient detail in the operating
instructions.
EN
Instructions for installation and use p. 9/54
3. Product description
3.1. Scope of delivery
●Sauna control unit
●Heater sensor with integrated excess temperature fuse
●Installation material
●Wire jumper for bridging terminals V1 and Wm for combi heaters without
low-water shut-off
3.2. Optional accessories
●Bench sensor (item number: O-F2), sensor wires 1.5 m
●Humidity temperature sensor (item number: O-FTS2), sensor wires 3 m
●Foil sensor (item number: P-ISX-FF), sensor wires 3 m
●Power booster (item number: O-S2-18 / O-S2-30)
●Safety shut-off (item number: HT-SWL)
●pronet web server (item number: PRO-NET)
3.3. Product functions
The sauna control unit Pro C3 features the following functions:
●Regulation of combi heaters with a heating output of up to 10.5 kW and
evaporator output of up to 3.5 kW in the temperature range spanning 30 °C
to 110 °C and a humidity range spanning 5 % to 100 %.
●A power booster allows the maximum contact rating to be increased from
10.5 kW to 18 kW or 30 kW.
●Optional dimming or activation of a room light (up to 100 W)
●Optional dimmer function or activation of a fan (up to 100 W)
●Remote start function
Instructions for installation and use p. 10/54
●Status output
●Preset time function (up to 24 hours)
●Additional output
Either for dimming (up to 500 W), switching (up to 3.5 kW) or regulating the
sauna room temperature via the additional output.
The additional output has no excess temperature fuse. For this reason, only
intrinsically safe devices should be operated using the additional output.
– If infrared heaters are connected to the additional output, these must
have an excess temperature fuse. We recommend using the following
infrared lamps:
●DIR-350-R, WIR-350-R, DIR-500-R, WIR-500-R, DIR-750-R,
WIR-750-R, DIR-1300-R, WIR-1300-R
●ECO-350-R, ECO-350-G, ECO-500-R, ECO-500-G, ECO-750-R
– If one of the following infrared heat plates is connected to an additional
output, the foil sensor P-ISX-FF must be used, and must be activated
in the technician menu (see 8.2. Settings in the technician menu on
page 29):
●IR-WP-100, IR-WP-175, IR-WP-390, IR-WP-510
●IR-WPHL-100, IR-WPHL-175, IR-WPHL-390, IR-WPHL-510
●User program
The user program enables favourite sauna settings to be saved and accessed
again. There are 5 preset user programs available which can be modied
according to user requirements.
●Automatic heating period limiter
The sauna control unit shuts down automatically after the maximum heating
period for safety reasons. The maximum heating period can be set to 6 h,
12 h, 18 h or 24 h.
●Post-drying programme
Once combi-mode has nished, the post-drying programme starts automati-
cally to prevent mould or rot from forming in the sauna room. This involves
heating the sauna room to 80 °C with the fan running for 30 minutes.
Table of contents
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