Carrier 30GT Air Conditioner User Manual


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HEATING
L
COOLlNG
1
30GT
K,HL
/ckage
SAFETY CONSIDERATIONS
Installing, starting-up and servicing air conditioning
equipment can be hazardous due to system pressures,
electrical components and equipment location,
Only trained, qualified installers and service techni-
cians should install, start up and service this equipment.
When working on air conditioning equipment, observe
precautions in the literature and on tags, stickers and
labels attached to the equipment.
Follow all safety codes. Wear safety glasses and work
gloves. Use care in handling equipment.
INTRODUCTION
These instructions cover field installation of the Acces-
sory Hot Gas
By
P
ass Valve and solenoid pilot valve on
the following chi lers:
30HK,HL015 through 060 (50 and 60 Hz)
30GB040,045,055,070 (60 Hz), Flotronic’”
30GB040,046,050,055,070 (50 Hz), Flotronic’”
30GB075 through 200 (50 and 60 Hz), Flotronic’”
30GTOl5,025,030,035 (60 Hz)
30GT020,025,030 (50 Hz)
On Flotronic chillers with no unloaders or 2 unloaders,
the accessory hot gas bypass must be added to both
circuits because of
ati
automatic lead-lag feature.
INSTALLATION
Step 1
-
Examine
Packa
e Contents
-
Pack-
age includes hot gas bypass va ve, solenoid pilot valve
B
and instructions. Examine each item. If any part is
damaged or missing, file a claim immediately with the
shipping agent.
Step 2
-
Install Piping
TXV -
b
&
---
b a---
COOLER
I II
d--t
SUCTION LINE
3
LINE
w&i+
LIQUID
LINE (CIRCUIT ~0.1)
I
I mm
STUB
’
(SEALED FROM
FACTORY
1
BYPASS VALVE {;.OD CONN.) SEE NOTE 2
SEE NOTE I
;;;BN&<A;ED
FROM FACTORY
1
c
FIELD-SUPPLIED BYPASS LINE
HOT GAS DISCHARGE
CONDENSER
TH ER MOSTATI.C EXPANSION VALVE
FACTORY PIPING
FIELD PIPING
NOTES:
1. %-in. OD for 30HI5,HL and 30GT;
%-in.
OD for 30GB.
2. The bypass valve
In
this package has %-in. connections and can be used directly on 30HK,HL and 30GT units.
3. On 30GB units, a change from
S/sin.
to gin. must be made either at the valve or at the stubs.
Fig. 1
-
Schematic Piping;
30HK,HLO15-060;
30GT015-035
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
PC111 Catalog No. 533-039
Printed in U.S.A. Form 30G,H-1 SI
RI
1
2-89
Replaces: 30GB,H-1SI
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