McQuay. Thermal Systems Absorption Chiller ME, MF Vintage A. Last Manufactured: Replacement Parts List No New 05/2001

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1 Replacement Parts List No New 05/2001 McQuay Thermal Systems Absorption Chiller ME, MF Vintage A Last Manufactured: 1997 To find your Daikin Applied parts distributor, call or visit

2 Contents Parts List Revision History... 3 Model Nomenclature... 4 MF Thermostats, Pressure Switches and Thermistors... 5 ME Thermostats, Pressure Switches and Thermistors... 6 Service Valves, Solution Dampers... 7 Burner and Gas Train... 7 Fusible Plug, Palladium Cell, Pumps... 8 Control Panel Absorption Chiller- ME, MF 05/01 RPL / Page 2

3 Parts List Revision History Revision Date Description New 05/01 New Daikin Applied, Industrial Park Blvd., P.O. Box 1551, Minneapolis, MN (763) Absorption Chiller- ME, MF 05/01 RPL / Page 3

4 Model Nomenclature TSA MF 31 E B TSA= Thermal Systems, Vintage A Unit Type ME= Modular Direct Fired Absorption Chiller (20-50 Ton) MF= Modular Direct Fired Absorption Chiller (60-80 Ton) Capacity Code (ME) 21= 20 Tons (ME) 22= 30 Tons (ME) 23= 40 Tons (ME) 24= 50 Tons (MF) 31= 60 Tons (MF) 32= 70 Tons (MF) 33= 80 Tons UL Approval E= ETL Approved Voltage B = 208V V= 230V R= 460V Absorption Chiller- ME, MF 05/01 RPL / Page 4

5 MF Thermostats, Pressure Switches and Thermistors (63GH) 10 6 (TGP1) (TF) 13 (23CH) 1 (TGP2) 7 8 (TGH) 9 (TGF) (TPP) 12 5 (TLA) 11 (26E) 1 23CH Thermister- Cooling/Heating Capacity TLA Thermostat- Absorbant Low Temp TGP1 Thermostat- Absorber Pump On/Off TGP2 Thermostat- Absorber Pump On/Off TGH Thermostat- Generator High Temp Ceramic Base for TGH Thermostat TGF Thermostat- Generator Temp Fuse for TGF Ceramic Base for TGF Thermostat GH Pressure Switch- Generator E Thermostat- Exhaust Gas High Temp TPP Thermister- Absorbent High Temp TF Thermister- Freeze Protection Absorption Chiller- ME, MF 05/01 RPL / Page 5

6 ME Thermostats, Pressure Switches and Thermistors 11 (Fusible Plug) (TLR) 2 (23CH) 1 (TF) 4 (51A) 9 3 (TGP) 6 (TGH) (51B) 8 7 (TGF) (TPP) 5 10 (TLA) 1 23CH Thermistor- Cooling/Heating Capacity TLR Thermistor- Refrigerant Low Temperature TGP Thermostat- Abso. Pump On/Off Terminal Base TF Thermistor- Freeze Protection TPP Thermistor- Absorbent High Temperature TGH Thermostat- High Temp. Generator P Terminal Base TGF Fuse- Generator High Temperature Thermal Assembly P Terminal Base B Relay- Burner Motor Overcurrent 208/230V V A Relay- Relay- Abso. Pump Overcurrent ME21 208/230V ME21 460V ME22, ME24 208/230V ME22, ME24 460V TLA Thermostat- Abso. Low Temperature Terminal Base Fusible Plug Absorption Chiller- ME, MF 05/01 RPL / Page 6

7 Burner and Gas Train Gas Train Burner Flame Rod N/S Spark Rod Switch- Air Failure Transformer- Ignition Motor Assembly- Blower: MF Units 208V V Motor Assembly- Blower: ME Units 208/230V V Coil- Main Solenoid Valve: 120V Coil- Shut Off Solenoid Valve: 120V Main Regulator Valve Valve- Shut Off Coil- Pilot Valve: 125V N/S Switch- Air Flow Service Valves, Solution Dampers N/S Service Valve varies Gasket /vlv Valve Cap /vlv Teflon Washer /vlv Rubber Washer /vlv N /S Solution Dampers Gasket /dmp Absorption Chiller- ME, MF 05/01 RPL / Page 7

8 Fusible Plug, Palladium Cell, Pumps (MF Shown) 50 Cond. 51 Evap. Absorber Burner Palladium Cell Assembly Palladium Cell Heater Assy Fusible Plug Absorber Pump- ME22-24, MF V V V Absorber Pump- ME21 208V V V Refrigerant Pump- MF Only 208V V V Absorption Chiller- ME, MF 05/01 RPL / Page 8

9 Control Panel Diagram- Outside Panel (MF Shown) FM WL21 GL21 OL21 GL22 GL23 GL26 GL25 GL RL22 GL24 YL11 RL21 RL11 RL13 RL12 RL Note: Parts shown in dashed lines are used on the MF only. 3R S21 43T21 3S F1 F2 F R21 43A1 43A Absorption Chiller- ME, MF 05/01 RPL / Page 9

10 Control Panel Components- Outside Panel 31 Indicator Lamp Indicator Lamp * 32 Switch MF Units ME Units Switch ** 34 Switch Indicator Lamp Indicator Lamp Indicator Lamp Indicator Lamp Fuse Fuse- 2A Fuse- 3A Fuse- 4A Switch- Remote/Local CO; Auto/Manual CO Switch- Auto/Manual/Stop Changeover Fan Motor Low Pressure Switch Low Pressure Switch Indicator Lamp *Qty= 6 for MF units: Qty= 5 for ME units. **Qty= 2 for MF units; Qty= 1 for ME units. Absorption Chiller- ME, MF 05/01 RPL / Page 10

11 3 Control Panel Diagram- Inside Panel X-17 4X P 4X-1 PC COV1 COV1 4X-2 4X-3 4X-4 4X-5 4X-6 4X-7 4X-8 4X-9 4X-10 4X-11 4X-12 4X-14 4X-15 4X A 1A 1 1B 1 1A 1A 1 Notes: 1. Parts shown in dashed lines are used on the MF only. 2. For ME units, see page 6 for Relays 51A and 51B part numbers and part location MCB NA 1 88B NA 2 88A1 NA 3 88A2 NA 4 88R 21 51B 51A R P TNR1 2P TNR2 6P 5A 5 PT P PR P PT21 7 TC 11 6P PT P-1 16P-1 12P P-2 16P-2 16P Absorption Chiller- ME, MF 05/01 RPL / Page 11

12 Control Panel Diagram- Inside Panel 1 Relay- 24V: 4X1-7, 10, 12, * Socket * 1A Relay- 24V: 4X8, 9, 14, ** Socket ** 1B Relay- 120V- 4X Socket Controller: PC ROM K- MF Units ROM K- ME Units Circuit Breaker: MCB- 208/230V All MF Units; ME ME21 Units Circuit Breaker: MCB- 460V Varistor: TNR1-208/230V Varistor: TNR1-460V A Varistor: TNR2-208/230V Varistor: TNR2-460V Transformer: PT22-208/230V Transformer: PT22-460V Transformer: PT21-208/230V Transformer: PT21-460V Transformer: PT23-208/230V Transformer: PT23-460V Burner Controls: PR Relay Amp Time Switch Socket Controller: TC MF Units ME Units Varistor *** 15 Terminal Block: 2 Pole- 208/230V Terminal Block: 2 Pole- 460V Terminal Block: 6 Pole- 208/230V Terminal Block: 6 Pole- 460V MF Units ME Units Terminal Block: 16 Pole Terminal Block All MF Units, 208/230V ME Units: 12 Pole V ME Units: 8 Pole Relay: 88B Relay: 88A1, 88A2, 88R Relay, Thermal: 51B- 208/230V (MF Units only) Relay, Thermal: 51B- 460V (MF Units only) Relay, Thermal: 51A- 208/230V (MF Units only) Relay, Thermal: 51A- 460V (MF Units only) Controller: COV1 (Sch. Sym. COV on ME units) Controller: COV2 (MF Units only) Relay, Thermal: 51R- 208/230V (MF units only) Relay, Thermal: 51R- 460V (MF units only) Terminal Block MF Units- 8 Pole ME Units 208/230V ME Units 460V Terminal Block: 6 Pole Terminal Block: 2 Pole Terminal Block: 12 Pole (MF units only) *Qty= 12 for MF Units; Qty= 10 for ME units. **Qty= 4 for MF Units; Qty= 3 for ME units. ***Qty= 4 for MF Units; Qty= 2 for ME units. Absorption Chiller- ME, MF 05/01 RPL / Page 12

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