Legend (for fig. 3 thru 8), Тпхгораз. 2, О m о – Carrier 30HS User Manual

Page 3

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background image

REMOVE PRESENT

JUMPER 11-12

[TT]----------------1 I-------------------------------- ----------------------------0^5----------- cÿ5-

CHILLED WATER

L

COND PUMP OR TOWER FA

■-чт

CHILLED WATER
PUMP STARTER

AUX CONTACTS

FC2

COND PUMP OR TOWER FAN MOTOR 0. L. CONTACTS IF AVAILABLE

CHILLED WATER

COND. PUMP STARTER AUX. CONTACT OR FLOW SWITCH SHOULD BE

FLOW SWITCH

LOCATED HERE ONLY WHEN COND PUMP STARTER IS INDEPENDENT

OF 30HR, HS WIRING.

[ÎÔ]-- ------------- 0~ -

FC|

ГЧ-----------------

41]

-0

CONTACTOR COILS FOR COND.

FAN MOTORS WITH SEPARATE

AIR COOLED COND. FOR EACH
REFRIGERATION CIRCUIT.

(SEE NOTES 5 AND 6)

Fig. 2 — Suggested Field Wiring of Interlocks

0

----------©-----------

0

CONTACTOR COIL FOR COND. WATER

PUMP OR FOR FAN MOTOR(S) ON
SINGLE TWO CIRCUIT AIR COOLED

COND.

LEGEND (For Fig. 3 thru 8)

BR

— Balancing Relay

S

Step Controller Switch

C

— Compr Contactor

SR - Starting Relay

CA

— Second Contactor

TS - Transfer Switch (Compr Starting Sequence)

CB

— Control Circuit Breaker

U - Unloader (Compr)

CR

— Control Relay

XL - Across-the-Line

HP

— Fligh Pressurestat

LLS

— Liquid Line Solenoid Valve

О

LP

— Low Pressurestat

Coil

LS

LWTC

— Limit Switch

— Low Water Temp Cutout

Light (Red)

OPSS

— Oil Pressure Safety Switch

О

Terminals on Step Controller

RR

— Recycle Relay

/\ Terminals on Temp Controller

□ Terminaison Terminal Strips

Terminals on Compr

--------- Factory V\/iring

_____ Factory Wiring on 30FIS Units Only

______Field Wiring

----------Factory Wired, Field Connected

EXTERNAL CONTROL POWER SOURCE (IF USED)

¥

ITRÔLPOW^

M '

CIRCUIT N0.1

CONTACTORS

Ci

C2

CIRCUIT

BREAKERS

COMPR I COMPR 2

C

c

0

0

M

M

p

p

R

R.

1

2

FIELD

POWER

SUPPLY

CONTACTOR COIL

POWER DISC

PLUG

CIRCUIT NO. 2

TERMS [гЧ

CONTACTORS

CIRCUIT

BREAKER

FIELD

П

INSTALLEOl

¡

accessory

!

CONTROL

TRANS-

C

0

M
P
R

_a_

li

C3

COMPR 3

L. 2QRMERJ

CON T. COIL

TERMS

Ж

TERWNJl

STRIP

ТПхГораз. 2

2j(SEE NOTE

..... O.RS.S. I

I I J(SEE NOTE

'■

3)

cCP

CKT I , CKT.2

♦ 2

COMP SEQUENCE

О m О

START Ш STOP

UNLOAOER

CRANKCASE
HEATER

• ON 208-, 230-VOLT UNITS ONLY

COMPR. MOTOR

TERMINAL PLATE

THERMOTECTOR

LEADS TO CONTROL

CIRCUIT

MOTOR

THERMOTECTORS

INTERNALLY

WIRED IN SERIES TO TERMINALS ABB
THROUGH COMMON TERMINALS*

30HR, HS070, 080, 090

Fig. 3 — Locations of Control Components (All Voltages)

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