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SAFETY CONSIDERA
Installing, starting up
and
equipment can be hazardous due to system pressures,
electrical components and equipment location (roofs,
elevated structures, etc).
Only trained, qualified installers and service mechanics
should install, start-up and service this equipment
Untrained personnel can perform basic maintenance
functions such as cleaning coils. All other operations
should be performed by trained service personnel.
When working on the equipment, observe precautions
the literature and on tags, stickers and labels attached
in
the equipment.
Follow all safety codes.
Wear safety glasses and work gloves.
Keep quenching cloth and fire extinguisher nearby
when brazing.
Use care in handling,
equipment.
See Table I for Physical Data.
ELECTRIC SHOCK HAZARD
Open all remote disconnecas before
servicing this equipment.
Rigging - Preferred method is with spreader bars from
above the unit. Use Z-in. (50 mm) 0-D. pipe or hooks in
lifting holes. Rig with 4 cables and spreader bars. Al1
panels must be in place when rigging. See rigging label
on unit for details concerning shipping weights, distance
between lifting holes, center of gravity and spreader bar
dimensions. See Fig. 2.
If overhead rigging is not possible, place chiller on skid
or pad for rolling or dragging. When rolling, use mini-
mum 3 rollers. When dragging, pull the pad. Do not
force ts dtze unif. When in final position, raise from above
to lift unit off pad.
All panels must be in
lace when rigging. Do not fork
units if no skid is supp P
sides only.
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
servicing air conditioning
rigging and setting buky
If unit has skid, truck from
Catalog No.
Printed i n U.S.A.
CENTER 3F GRAW
Fig. 2 - Wigging with Spreader Bars
(Field
Form 30GT-1 Si
Pg i
r
I N E N D O R S P R E A D E R S
Supplied)
Replaces: New
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Summary of Contents for Carrier 30GT 015
- Page 1 SAFETY CONSIDERA Installing, starting up servicing air conditioning equipment can be hazardous due to system pressures, electrical components and equipment location (roofs, elevated structures, etc). Only trained, qualified installers and service mechanics should install, start-up and service this equipment Untrained personnel can perform basic maintenance functions such as cleaning coils.
- Page 2 WATER CONNECTIONS, in. 2 FPT inlet and Outlet Drain *See Oil Charge for Carrier-approved oil. Placing Unit - There must be 4ft (1220 mm) for service and for unrestricted airflow on all sides of unit, and a minimum of 8ft (2440mm) clear air space above unit.
-
Page 3: Preparation For Year-Round Operation
(32F or below), voltage, or with excessive phase imbalance, con- freeze-up protection is recommended using ethylene stitutes abuse and may affect Carrier warranty. See glycol or electric heat tapes. Heat tapes should possess a Unbalanced 3-Phase Supply Voltage, page 4. - Page 4 FIELD CONNECTIBNS Unbalanced 3-Phase Supply Voltage - Never operate a motor where a phase imbalance in supply volt- 1. Main Power ~ Bring wires from the fused disconnect age is greater than 2%. Use the following formula to switch through hole in bottom rail of unit to control determine the % voltage imbalance: box (Fig.
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Page 5: End View
DOUR NOTES: 1. THERE MUST BE [1220 4 FT FOR SERVICE AND FOR UNRESTRICTED AIRFLOW ON ALL SIDES OF UNIT. 2. THERE MUST BE MINIMUM I2440 8 FT CLEAR AIR SPACE ABOVE UNIT. 3. THE APPROXIMATE OPERATING WEiGHT OF THE UNIT IS: 7 9 0 1833 1864... -
Page 6: Side View
T O P V I E W AIRFLOW ‘IHRU MIN. CLEARANCE FOR C O O L E R R E M O V A L WATER OUTLET 2” FPT NOZZLE5 4 ’ - 6 5/8- SIDE VIEW wing, 30GT015, 0 2 0... - Page 7 NOTES: mm] 4 FT FOR SERVICE AND FOR UNRESTRICTED AIRFLOW ON ALL SIDES OF UNIT. 2. THERE MUST BE MINIMUM 12440 mm] 8 FT CLEAR AIR SPACE ABOVE UNIT. 3. THE APPROXIMATE OPERATING WEIGHT OF THE UNIT IS: 60 HZ 50 HZ UNIT C22.21 ?/a- DIA.
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Page 8: Top View
HINGED ACCESS DOOR TOP VIEW AIRFLOW THRW MIN. CLEARANCE FOR COOLER REMOVAL 2 ’ - 7 1S/l6’ S I D E V I E W... - Page 9 HINGED ACCESS N O T E S : 1. THERE MUST BE [I220 mm] 4 FT FOR SERVICE AND FOR DOOR UNRESTRICTED AIRFLOW ON ALL SIDES OF UNIT. 2. THERE MUST BE MINIMUM [2440 mm] 8 FT CLEAR AIR SPACE ABOVE UNIT.
- Page 10 MIN. CLEARANCE FOR REMOVAL COOLER DRAIN 6 5/8' S I D E V I E W Drawing, 3OGPQ35...
- Page 11 HERTZ *Units are suitable for use on electrical systems where voltage supplied to unit terminals is not below or above listed minimum (the point in the starting seqtience where the sum of and maximum timits. the IRA for the starting compressor, plus the total RLA for all running compressors, plus the total FLA for all running fan motors is maximum).
- Page 12 D I A . H O L E 1 2 2 . 2 3 D I A . HLI’-k l’ F I E L D I S I N A C C O R O A N C E W I T H N A T I O N A L E L E C T R I C A L C O D E I N E C .
- Page 13 For leak testing the key. Be sure to replace Permagum and rubber cap and dehydration procedures, refer to Carrier Standard over end of motor shaft to protect against moisture Service Techniques Manual, Chapter I, Refrigerants, causing fan to rust on shaft.
- Page 14 Shrieve Chemical Co..Zero1 150 (Synthetic) IMPORTANT: Do not use drained oil or use oil that has been exposed to atmosphere. Refer to Carrier Standard Service Techniques Manual, Refrigerants, for procedures to add or remove oil.
-
Page 15: Safety Thermostat
WINTER SHUTDOWN - At the end of the cooXing Compressor Protection season, drain the water from the cooler (see drain loca- tion in Fig. 5, 6, 7). Replace the drain plug and put 2 ambient compensated, magnetic breaker protects against gallons (8 L) of ethylene glycol in the cooler to prevent motor overload and locked rotor conditions. -
Page 16: Operation
Any alteration of factory settings, except design set in bypass valve set point, As condensing temperature point, without Carrier authorization, may void decreases, decrease the bypass valve ser point until it Carrier Warranty. -
Page 17: Hot Gas Bypass
(LWTC). several tubes require plugging, check with your local RESTART - The unit recycles and restarts automati- Carrier representative to find out how the number and cally under Time Guard@ control when power is restored, location will affect unit capacity. - Page 18 Table 6 - Tubes and Plugs TUBE WEE R I N G Wall Thickness, i n . (mmj 0.038 (0.97) Plain End Fig. 15 - Elliott Tube Plug 0.025 PJ.64’) Section COMPONENTS FOR PART NC?. PLUGGING RETUBING (See Table 6) - When retubing is to be Tubes done, obtain the service of qualified personnel, ex- Brass Pin...
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Page 19: Troubleshooting
TROUBLESHOOTING SYMPTOM AND PROBABLE CAUSE PROBABLE REMEDY COMPRESSOR DOES NOT RUN 1. Reset circuit breaker. 2. Reset switch. 2. Control circuit stop-start switch is open 3. Reset control circuit with stop-start switch. 3. Safety device tripped 4. Replace contactor. 4. Contactor stuck open 5. - Page 20 Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Catalog No. 533-034 Printed in U.S.A. 8-88 Replaces: New Book 2 Form 30GT-ISI T a b 5c...
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