Daikin EHS Series User manual

WARNING

HIGH VOLTAGE!

DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING

THIS UNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE

TO DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR

DEATH.

INSTRUCTIONS

1. Disconnect all power to the unit, both indoor and outdoor.

2. Remove control box door.

3. Remove blower door.

4. Locate heater box. Remove screws holding the heater box cover

in place (Figure 1).

BLOWER DOOR

CONTROL

BOX DOOR

HEAT BOX

COVER

HORIZONTAL

SUPPLY COVER

Figure 1

ELECTRIC HEATER KIT

ELECTRIC

PANEL PART

HEATING

ELEMENT PART

Figure 2

Wires and some components are not shown

Attention Installing Personnel

As a professional installer, you have an obligation to know the prod-

uct better than the customer. This includes all safety precautions

and related items.

Prior to actual installation, thoroughly familiarize yourself with this

Instruction Manual. Pay special attention to all safety warnings.

Often during installation or repair, it is possible to place yourself in a

position which is more hazardous than when the unit is in operation.

Remember, it is your responsibility to install the product safely and to

know it well enough to be able to instruct a customer in its safe use.

Safety is a matter of common sense...a matter of thinking before

acting. Most dealers have a list of specic good safety practices...

follow them.

The precautions listed in this Installation Manual are intended as

supplemental to existing practices. However, if there is a direct

conict between existing practices and the content of this manual,

the precautions listed here take precedence.

Description

These installation instructions supplement the electric heater kits

for installation in the following models:

DRC036, DRC048, DRC060, DRC072

DRH036, DRH048, DRH060, DRH072

DBC036, DBC048, DBC060, DBC072

DBH036, DBH048, DBH060, DBH072

These instructions should be used only as a supplement to

installation instructions IOD-1032 for DRC and DRH models,

or IOD-1043 for DBC and DBH models.

ELECTRIC HEAT KITS EHS And EHX foR

3-6 Ton LIGHT CoMMERCIAL Roof ToPUnITS

ModELS: dRC, dRH, dBC And dBH

InSTALLATIon InSTRUCTIonS

19001 Kermier Rd., Waller, TX 77484

www.daikincomfort.com

P/N: IOD-7100 Date: November 2019

NLY

PERSONNEL

THAT

HAVE

BEEN

TRAINED

INSTALL

ADJUST

SERVICE

REPAIR

(

HEREINAFTER

, “

SERVICE

”)

THE

EQUIPMENT

SPECIFIED

THIS

MANUAL

SHOULD

SERVICE

THE

EQUIPMENT

. T

MANUFACTURER

WILL

NOT

RESPONSIBLE

FOR

ANY

INJURY

PROPERTY

DAMAGE

ARISING

FROM

IMPROPER

SERVICE

PROCEDURES

. I

YOU

SERVICE

THIS

UNIT

YOU

ASSUME

RESPONSIBILITY

FOR

ANY

INJURY

PROPERTY

DAMAGE

WHICH

MAY

RESULT

. I

ADDITION

JURISDICTIONS

THAT

REQUIRE

ONE

LICENSES

SERVICE

THE

EQUIPMENT

SPECIFIED

THIS

MANUAL

ONLY

LICENSED

PERSONNEL

SHOULD

SERVICE

THE

EQUIPMENT

. I

MPROPER

INSTALLATION

ADJUSTMENT

SERVICING

REPAIR

THE

EQUIPMENT

SPECIFIED

THIS

MANUAL

ATTEMPTING

INSTALL

ADJUST

SERVICE

REPAIR

THE

EQUIPMENT

SPECIFIED

THIS

MANUAL

WITHOUT

PROPER

TRAINING

MAY

RESULT

PRODUCT

DAMAGE

PROPERTY

DAMAGE

PERSONAL

INJURY

DEATH

WARNING

PROP 65 WARNING

FOR CALIFORNIA CONSUMERS

Cancer and Reproductive Harm -

www.P65Warnings.ca.gov

0140M00517-A

5. Install heating element part of the heater kit (Figure 2) in the heater box using screws from heater box cover. Ensure the elements

are positioned in the retaining bracket as shown in Figure 3. It may be necessary to remove the horizontal supply cover to observe

the bracket. The heater box cover can be discarded.

6. Install electric panel part of the kit to the left side of the heater box using 3 screws supplied with this IO (Figure 4).

HEATING

ELEMENT

SCREWS FROM UNIT

FIGURE 3

BACK RODS OF HEATER KIT

TO BE PLACED IN SLOTS OF

RETAINER BRACKET

DETAIL A

7. Connect power to kit.

• Remove power cable from the box.

• Connect leads to breakers with one lead for each power leg.

• Route all leads through the blower deck and into the control box as shown in Figure 4.

• Connect the leads to the single point black with the far left lug (L1), the middle lug (L2), and the far right lug (L3).

NOTE: Single phase kits will only have 2 lugs (L1 and L2).

FIGURE 4

HEATING ELEMENT

CONNECT 9-PIN CONNECTOR

FROM UNIT TO 9-PIN CONNECTOR

OF HEATER KIT

BLACK WIRES FROM HEATER KIT

POWER BLOCK

3 SCREWS

8. Locate 9-pin plug in unit.

9. Connect the plug to the maiting 9-pin plug attached to heater kit

(Figure 4).

10. Install blower door and horizontal supply cover if it was removed.

11. Reconnect power.

12. Set up a required airow - CFM for your unit with electic heater

by selecting a proper speed tap. For details see Air Flow Ad-

justment chapter in IOD-1032 for DRC and DRH models or in

IOD-1043 for DBC and DBG models.

• Refer to Air Flow for Electric Heat table in this document to identi-

fy minimum required CFM for your unit with specic heater model.

• Refer to Appendix A - Blower Performance Tables for speed tap

selection in IOD-1032 for DRC and DRH models or in IOD-1043

for DBC and DBH models.

13. Close control box door.

14. Reconnect power to the unit.

15. Test unit to ensure it is functioning properly.

16. Place Heater wiring diagram beside unit diagram.

UNITS

HEATER KIT

MODEL NUMBER

MINIMUM

SCFM

EH*-*S05 5

EH*-*S10 10

EH*-*S15 15

EH*-*S05 5

EH*-*S10 10

EH*-*S15 15

EH*-*S18 18

EH*-*S20 20

EH*-*S05 5

EH*-*S10 10

EH*-*S15 15

EH*-*S20 20

EH*-*S05 5

EH*-*S10 10

EH*-*S15 15

EH*-*S20 20

1950

AIR FLOW FOR ELECTRIC HEAT

DRC060, DRH060,

DBC060, DBH060

DRC036, DRH036,

DBC036, DBH036

DRC048, DRH048,

DBC048, DBH048

975

1300

1625

DRC072, DRH072,

DBC072, DBH072

HEATER KIT MODEL NUMBER NOMENCLATURE

E H * - * S 15

1 2 3 - 4 5 6, 7

Electric

Heater

Heater Type

X Staged

S SCR (modulating)

Voltage

1208-230/1/60 Single phase 60 Hz

3208-230/3/60 Three phase 60 Hz

4460/3/60 Three phase 60 Hz

7575/3/60 Three phase 60 Hz

Chassis

SSmall

MMedium

LLarge

Kilowatt

55 kW

10 10 kW

15 15 kW

18 18 KW

20 20 kW

30 30 kW

NOTE: SPECIFICATIONS AND PERFORMANCE DATA LISTED HEREIN ARE SUBJECT TO CHANGE WITHOUT NOTICE

Quality Makes the Difference!

All of our systems are designed and manufactured with the same high quality standards regardless of size or efciency. We have designed

these units to signicantly reduce the most frequent causes of product failure. They are simple to service and forgiving to operate. We use qual-

ity materials and components. Finally, every unit is run tested before it leaves the factory. That’s why we know. . .There’s No Better Quality.

Visit our website at www.daikincomfort.com for information on:

• Products

• Warranties

• Customer Services

• Parts

• Contractor Program and Training

• Financing Options

CUSTOMER FEEDBACK

Daikin is very interested in all product comments.

Please ll out the feedback form on the following link:

https://daikincomfort.com/contact-us

You can also scan the QR code on the right to be directed to the feedback page.

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