Do you have a question about the Thermal Care NQA25 and is the answer not in the manual?
General warnings and safety precautions for equipment use.
Warning about hazardous voltages.
Warning about sharp edges and fan blades.
Warning about hot surfaces causing burns.
Safety instruction to wear eye protection.
Safety instruction to wear protective gloves.
Safety instruction to wear ear protection.
Safety instruction to disconnect power before service.
Safety instruction for grounding the unit.
Warning against using equipment outside its design intent.
Warning on venting refrigerant relief valves.
Procedures for inspecting the unit upon arrival.
Requirements for chiller foundation and mounting.
Guidelines for selecting a suitable chiller location.
Methods for safely moving and positioning the chiller.
Proper installation of chilled water piping.
Guidelines for locating the remote air-cooled condenser.
Instructions for mounting legs and lifting 5-10 ton units.
Instructions for mounting legs and lifting 15-40 ton units.
Guidance on connecting chiller and condenser refrigerant lines.
Key considerations for refrigerant piping design.
Important design considerations for piping.
How to calculate equivalent line length for piping.
Steps to determine proper line size.
Guidelines for sizing liquid refrigerant lines.
Guidelines for sizing discharge (hot gas) lines.
Warning about severe injury or death from hazardous voltages.
Warning about refrigerant under pressure.
Warning about sharp fan blades and guards.
Warning about hot surfaces causing burns.
Caution to disconnect and lock out power before service.
Caution to wear eye protection during maintenance.
Caution to wear protective gloves during maintenance.
Caution to ground the unit properly.
Caution about maintaining power for crankcase heater.
Button to silence alarms and reset faults.
Displays all active alarms and reset capability.
Displays and allows adjustment of compressor parameters.
Displays and allows adjustment of temperature alarms.
Adjusts PID parameters for hot gas bypass valve.
Displays and allows adjustment of Freezestat settings.
Displays operating status of coolant temp, pump, HGBP valve.
Procedures for initial chiller start-up.
Connect main power and check phase sequence.
Fill coolant reservoir with water/glycol.
Verify adequate condenser cooling.
Verify all refrigerant valves are open.
Set Freezestat appropriately for operating conditions.
Turn on control power and reset alarms.
Ensure coolant flow through the chiller.
Initial unit operation and checks.
| Tons | 25 |
|---|---|
| Cooling Capacity | 300, 000 BTU/hr |
| Compressor Type | Scroll |
| Refrigerant | R410A |
| Voltage | 460/3/60 |

