Honeywell Epc T5068A User manual

fig,

1-Approximate

dimensions in brackets]

T5068A direct-mounting

the

rmostatic heed.

G,P,

T5068A,B,C THERMOS

TATIC

ACTUATORS V5076A,B

RADIATOR

LVES

SWEAT

RAIGHT

-T

HROUGH

Products

Center

60-07

- 1

Downloaded from Arrow.com.

[ 1.3 C

APILLARY

Fig. in bracketsl of T506'!B remote-mounting sensor and set

Downloaded from Arrow.com.Downloaded from Arrow.com.

INSTALLATION----------

CAUTION

time

shou

ld screws

set

point

dial be

loosened. This will cause device

lose its cali-

bration

and

may

cause

become

inoperative.

not

cvertighten

union

nut,

this

may

cause

distorti

c ~

and damage.

3. Installer must be a

trained

experien

ced

service

technician.

-----

-I

MPO

RTANT

------



To minimize effects

diant

heat,

not

in-

sta

straight-through valve models so

that

ther·

mostatic

head

must

attached

directly

above

valve

body

. On angle

body

models, assemble

valve so

that

thermostatic

head

will be as far

from

heating

surfaces as possible.

2. At selected

location,

T5068

must

not

sub·

ject

drafts,

expo

direct

sunlight,

covered by curtains.

not

install

temperature

sensing heads

top

or inside

heated

enclosure.

Remot

e sensors

may

located

bottom

vector

where

it will

sense

temperature

retu

rn ai

4. When installing valve body

and

2-pipe

team

systems,

arrow

must

be in dir

ect

ion

flow.

If boiler for 1-pipe

steam

system

cycled by

space

thermostat

one

not

apply

radiator

val

radia

tor

that

zone.

Improper

boiler

control

could

result.

6. Do

not

apply

radiator

valve in 1-pipe

steam

sys-

tem

that

not

use

steam

·air vents venting

atmosphere

each

radiation

unit

Vacuum

breakers must be installed

risers if

steam

sys-

tem

does

not

have

them.

TH ERMOSTATIC

ACTUATOR

NSTALLATION

not

loos

the

screws

set

point

knob.

This will cause

the

device

lose i

calibrat

ion and

may cause it

become inoperative.

T5068A

DIRECT

MOUNTING ON

RADIATOR

er the valve

body

has been

properly

installed

according

the

instructions

packed

with

the

valve

body,

'·"

VAL

D Y

''\,

\ j

HEX

r~l

.A.OJUSl A.6LE RANGE Sl OP

, ...

use

the

following

procedure

direct

mount

the

thermost

atic head:

Posi

tion

actuator

valve

bracket

and

fasten

with

two

Phillips

head

screws provided as

indicated

in Fig.

Be sure

tighten

actuator

valve

body

securely

calibration

shift

will result.

Place

e range limiting pin

the

desired location

the

adjustable range

stop

(Fig. 5).

Turn

the

set

point

the

minimum

setting.

4. Place the adjustable range

stop

over

the

uator

and

unt

with

the

two

Allen head screws provided.

ANG€

UM!T!NG

f?OINT

LOCK

Fig. 5- Place pin in set

point

lock

limit te

mpera

ture

ntrof

range.

T5068A

DIRECT MOUNTING ON BASEBOARD UNIT

mount

the

T5068A

and

V5076

directly

baseboard

unit,

use

the

following

procedure

(Fig. 6):

Insta

the

valve

body

on the baseboard unit. See

instructio

ns packed

with

valve

body.

Cut

a hole in the baseboard

unit

directly in front

the

valve

connect

ion.

Assemble

the

thermostatic

actuator

the valve

body.

4. Replace the baseboard baseplate.

NOlE

INSTALL

ERMOSTATIC HEAD

A.S

SHQ\

•m

. NO T

OlREC

Tl V ABOVE

VAL

BODY

Fig.

4-0irect

mount

the

T5068A

radiator.

Fig.

6-Direct

mount

the

T5068A

a baseboard unit.

075

7-1

Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.

Fig.

7-Remote

mounting

th•

T5068B

Thermostatic

Actuator.

Install

the

valve

body.

with

the

valve

body.

instructions

T5068C

REMOTE

The

T5068C

the

point

direct-mounted

the

va!ve

mount

the

remo

sensor,

the

T5J68B

REMOTE

WALL

MOUNTING.

mount

the

T5068C

actuator,

the

instructions

for

DIRECT

MOUNTING

RADIATOR,

the

instruc

tions

for

DIRECT

MOUNTING

BASEBOARD

UNIT.

INSTALLING

T5068N5076

ONE-PIPE

STEAM

SYSTEMS

..-~~~~~~IMPORTANT~~~~~~-.

Installing a

T5068/V5076B

with

adapter

one

radiator

one·pipe

steam

system

does

not

eliminate

other

controls

the

system.

The

boiler

must

thermostat

representative

zone,

tim

er.

the

boiler

cycled

from

spac

thermostat

one

NOT

apply

radiator

that

zone's

radiator.

not

apply

radiator

valve in

one-pipe

steam

systems

that

not

use

steam

air

vents

nting

atmosphere

each

radiation

unit

In a

typical

one-pipe

steam

system,

thermo

stat

in a

representative

zone

timer

(which

may

controlled

outdoor

temperature)

cycles boiler.

a call

for

heat,

steam

ge'1€rated,

which

pushes

air

the

pipes

and

radiators

through

steam

air

the

radiators.

When

steam

reaches

the

steam

air

vent,

its

heat

closes

the

vent

and

prevents

the

escape

steam.

All

radiators in the

system

will

full

steam

long

the space thermostat in the

representative

zone

calls for

heat

After

installation

the

V50768/T5068

with

adapter

assembly,

the

V5076B

will close if

the

room

temperature

above

the

set

point

the

T5068.

Since

V5076B

installed

between

the

radiator

steam

opening

and

e air vent,

steam

will

unable

displace

air

the

radiator,

and

the

radiator

will

rema

cool.

the

room

temperature

below

the

set

point

the

T5068,

the

V5076B

will be

and

the

radiator

will

operate

described

above.

Once

the

radia

tor

full

steam,

the

T5068

has

temperature

the

boiler

See 8 for installing

the

one,pipe

steam

adapter

assembly.

Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.

STEAM AIR VENT

ONE-PtPE STEAM

NVER

SION

BAG ASSEMBLY,

PART NO.

394519

------- -

-----

1 •

: j

l/2lN.TO

& :

1/8

[12.7

L-

____

:,2

:uni

REOUC£RI

IN.·.zt

[3.2mmf

:'i.;E

l I

---

----

STANDARD

V5016

NUT

50768

I/2"

NPT

VALVE

BODY

& THE 1/8 IN. [3.2

mm[

TAIL PIECE.ASSEMBLES TO THE RADIATOR STEAM

VENT

OPENING AND TO

THE

UN10N

THE

V50616

SOOY.

ill

THE 1/2

1/8

. (12.7

3.2

[ REDUCER ASSEMBLES TO THE VA LVE

AND

THE STEAM

R VENT.

Fig. 8- Typical installa

tion

V5076B and

T5068

394

One-pipe Radiator A

dapte

r Ass

emb

ly.

SETTINGS

AND

ADJUSTMENTS-

----

---

--,.-..

-----

----

SETTING

When the installation

properly completed, rotate

the

set

point

dial until steam

water

flO>V·

detected.

After

the

temp

era

re has

stab

ilized

,5 hours),

reset

the

desired setting

pet

ween l

nd 7.

The set point

will

vary with the location

e sensor.

A floor

level

sensor on a baseboard will control

ffe

rent

.se

t p

oint

an a wall

vel sensor.

Normally, small changes are required to corre

overheating

underheating

condition

. Each division

represents approximately 3 F [1.7

change

set

poin

The number o

setting

F [16 CJ ; the num·

ber 7 setting

85 F

[29

CJ. After making a small

change, the valve must be allowed

stabilize

for

least

minutes.

The T

l?Q?B

rn?d

ulating valve actuator.

use it

a·

hand

valve:

not a manual shutdown.

LOCKING SET POINT

The T5068A and

T506

me equipp

with an

adjustable range

stop

(see page 3 for installation). A

single temperature locking set p

oint

~!s

available.

install the sing

temper

ure locking

s~t

point,

the

point desi red and fasten the locking set

poiht

appropriate mounting

holesusing

the

two

Allen head screws prov

ed (Fi

The T5068B can be

tfit

ted

th a locking set point

which slides into place over

the

dial when

the

decorative

cover

removed. This locking

set

point

js,

secured with

two Allen head screws (F

ig.

10),

60-0757-1

Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.

Fig. !I-Installing T5068A,C lock with single temperature

set point, Part l\lo. 391963.

REPLACE

MENT

BONNET ASSEMBLIES:

392068-3

for V5076A valve in

hot

wat<;r

applications.

392068~4

for V5076B

Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.

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