Carrier 62MB Page 73 Installation, Start-Up And Service Instructions Manual Download

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6500

7000

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8500

9000

9500

10000

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11000

11500

0.10

0.30

0.50

0.70

0.90

1.10

966 rpm: 3 turns

896 rpm: 4 turns

831 rpm: 5 turns

Air

flo

w (cfm)

External Stat ic (in. wg)

7000

7500

8000

8500

9000

9500

10000

10500

11000

0.3

0.5

0.7

0.9

1.1

1024 rpm: 3 turns

962 rpm: 4 turns

929 rpm: 5 turns

Air

flo

w (cfm)

External Stat ic (in. wg)

NOTE: Fan data includes pressure drop for 30% efficient 2-in. filters.

Fig. 79 — 62M950 Supply Air Fan Performance Curves

Fig. 80 — 62M950 Exhaust Air Fan Performance Curves

Summary of Contents for 62MB

Page 1: ...formed by trained service personnel When working on air conditioning equipment observe precautions in the literature tags and labels attached to the unit and other safety precautions that may apply Fo...

Page 2: ...ing recommendations COUPLED APPLICATIONS The ERV unit can be in stalled directly coupled to a Carrier rooftop unit The connec tion between the ERV and HVAC Heating Ventilation and Air Conditioning uni...

Page 3: ...d the top perimeter of the curb and around the supply and return opening Some stand alone curbs will not have duct open ings Gasket strips must fit tightly together leaving no gaps for leakage Install...

Page 4: ...turn Air S A Supply Air IMPORTANT Insulation on deck pans must face up Fig 3 Roof Curb 62M075 950 for Vertical Stand Alone Applications ERV Curb C B A D 62M075 120 curb is shipped with deckpans insula...

Page 5: ...ATION GASKETING ROOF CURB 62M UNIT SIZE CURB PART NO DIMENSIONS in A B C D E 075 120 62M A CRB 14MC 30 5 14 27 1 5 19 81 170 285 62M B CRB 14MC 49 63 14 45 5 1 75 37 81 LEGEND NOTE Roof curb shipped u...

Page 6: ...53 29 98 SUPPLY AIR RETURN AIR HORIZONTAL UNITS ONLY REAR SIDE 45 75 SUPPLY AIR OPTIONAL 4 83 7 13 3 91 11 15 10 50 3 95 5 34 TOP SIDE RETURN AIR OPTIONAL 16 00 OPTIONAL INDOOR PREHEATER ERV WHEEL 19...

Page 7: ...R OUTSIDE AIR POWER ENTRY 45 75 13 38 11 00 8 97 12 96 SUPPLY AIR OPTIONAL 4 83 7 13 3 91 11 15 10 50 3 95 5 34 OUTSIDE AIR HOOD AND OPTIONAL PREHEATER RETURN AIR OPTIONAL A A VIEW A A ERV WHEEL 16 00...

Page 8: ...TEST PORTS OPTIONAL PREHEATER INDOOR ACCESS DOOR 18 88 VIEW A A OPTIONAL RETURN AIR BOTTOM RETURN ONLY SUPPLY AIR BOTTOM SUPPLY ONLY OPTIONAL PREHEATER 10 93 6 18 12 98 3 46 9 25 6 65 6 60 10 39 19 04...

Page 9: ...W TEST PORTS OPTIONAL TOP OF CURB ACCESS DOOR DETAIL A SEE DETAIL A LEFT SIDE ACCESS DOOR RIGHT SIDE OPTIONAL RETURN AIR BOTTOM RETURN ONLY SUPPLY AIR BOTTOM SUPPLY ONLY OPTIONAL PREHEATER OUTDOOR AIR...

Page 10: ...R EXHAUST AIR ACCESS DOOR POWER ENTRY OPTIONAL DISCONNECT EXHAUST AIR OUTLET RETURN AIR OPENING SUPPLY AIR OPENING TOP SIDE 8 21 15 28 6 10 22 33 15 63 8 20 8 68 13 75 RETURN AIR A A ERV WHEEL VIEW A...

Page 11: ...D TOP SIDE 8 21 16 19 15 28 6 10 22 33 15 63 8 20 8 68 13 75 26 45 64 OPTIONAL PREHEATER A A ERV WHEEL 14 57 12 50 43 38 14 86 62 03 LEFT SIDE EXHAUST AIR POWER ENTRY OPTIONAL DISCONNECT 14 84 15 96 O...

Page 12: ...6 11 7 66 6 11 6 61 REAR SIDE SUPPLY AIR RETURN AIR TOP SIDE EXHAUST AIR OUTLET 21 11 RETURN AIR OPENING BOTTOM RETURN ONLY 6 93 25 76 18 62 8 01 15 94 6 88 SUPPLY AIR OPENING BOTTOM SUPPLY ONLY A A V...

Page 13: ...TTOM SUPPLY ONLY A A 20 00 17 00 49 1 72 63 LEFT SIDE POWER ENTRY OPTIONAL DISCONNECT EXHAUST AIR OPTIONAL AIRFLOW TEST PORTS VIEW A A TOP OF CURB OUTSIDE AIR HOOD 12 52 37 50 19 00 2 87 28 50 37 50 6...

Page 14: ...EST PORTS OPTIONAL ACCESS DOOR ACCESS DOOR EXHAUST AIR OUTLET RETURN AIR OPENING SUPPLY AIR OPENING 31 67 6 43 34 73 21 88 17 07 6 42 18 75 TOP SIDE 11 02 VIEW A A A A OUTSIDE AIR EXHAUST AIR 40 12 34...

Page 15: ...25 9 01 48 98 107 75 LEFT SIDE POWER ENTRY OPTIONAL DISCONNECT LOCATION AIRFLOW TEST PORTS OPTIONAL EXHAUST AIR OUTSIDE AIR HOOD RIGHT SIDE FRONT SIDE 49 01 35 75 28 00 16 19 7 69 7 69 13 11 REAR SID...

Page 16: ...quipmentsupport 35 Side View A A A A Rooftop Unit Curb ERV Unit Support 673 8 37 3 35 Supply Return AccessoryTransition Panelcovering returnchamber Accessdoorto adjustbalancing damper To62M040Unit Bal...

Page 17: ...673 8 37 3 35 Supply Return To62M040Unit Accessdoorto adjust balancing damper AccessoryTransition Panelcovering returnchamber Balancingdamper 35 Side View A A Rooftop Unit Curb ERV Unit Support Field...

Page 18: ...orto adjust balancing damper AccessoryTransition Return RooftopUnit 805 16 35 4411 16 Return TopView To62M040Unit 35 Side View A A Rooftop Unit Curb ERV Unit Support 43 8 ROOFTOP UNIT MODEL ROOFTOP SI...

Page 19: ...rto adjust balancing damper To62M040Unit AccessoryTransition RooftopUnit 805 16 35 4411 16 TopView 35 Side View A A Rooftop Unit Curb ERV Unit Support 43 8 ROOFTOP UNIT MODEL ROOFTOP SIZE TRANSITION P...

Page 20: ...6 ton rooftop unit 62MA 900 001 Equipment Support 10 4 Equipment Support Roof 14 Standard Roof curb for3 to 6 tonrooftop unit A A SIDE VIEW TOP VIEW A A 62MA 900 001 Supply Air 35 ROOF CURB LAYOUT Fig...

Page 21: ...TRANSITION P N ERV CURB P N ROOFTOP ECONOMIZER DIMENSIONS in A B 48 50HJ TF TJ TM 004 007 62M ATR HJ36 D 62M A CRB 14MC 62MA 900 004 673 8 373 16 008 009 62M ATR HJ78 D 62M A CRB 14MC 62MA 900 005 781...

Page 22: ...FTOP SIZE TRANSITION P N ERV CURB P N ROOFTOP ECONOMIZER DIMENSIONS in A B 48 50HJ TF TJ TM 004 007 62M ATR HJ36 H 62M A CRB 14MC 62MA 900 008 673 8 373 16 008 009 62M ATR HJ78 H 62M A CRB 14MC 62MA 9...

Page 23: ...rb A A Locator pieces included with ERV curb must be watertight ROOFTOP MODEL ROOFTOP SIZE 62M TRANSITION ERV CURB DIMENSIONS in A B 48 50PG 03 07 62M ATR PG26 D 62M A CRB 14MC 805 16 4411 16 08 14 62...

Page 24: ...ces included with ERV curb must be watertight ROOFTOP MODEL ROOFTOP SIZE 62M TRANSITION ERV CURB DIMENSIONS in A B 48 50PG 03 07 62M ATR PG26 H 62M A CRB 14MC 805 16 4411 16 08 14 62M ATR PG712 H 62M...

Page 25: ...L ROOFTOP SIZE TRANSITION P N ERV CURB P N ROOFTOP ECONOMIZER DIMENSIONS in A B 48 50HJ TF TJ TM 004 007 62M BTR HJ36 D 62M B CRB 14MC 62MA 900 004 673 8 373 16 008 009 62M BTR HJ78 D 62M B CRB 14MC 6...

Page 26: ...ODEL ROOFTOP SIZE TRANSITION P N ERV CURB P N ROOFTOP ECONOMIZER DIMENSIONS in A B 48 50HJ TF TJ TM 004 007 62M BTR HJ36 H 62M B CRB 14MC 62MA 900 008 673 8 373 16 008 009 62M BTR HJ78 H 62M B CRB 14M...

Page 27: ...VIEW A A A A ROOFTOP UNIT MODEL ROOFTOP SIZE TRANSITION P N ERV CURB P N 48 50TJ TM 016 028 62M BTR HJ1525 D 62M B CRB 14S 48 50HJ 015 017 62M BTR HJ1525 D 62M B CRB 14S LEGEND NOTES 1 The 62M ERV un...

Page 28: ...b Return Locator pieces included with ERV curb must be watertight ROOFTOP MODEL ROOFTOP SIZE 62M TRANSITION ERV CURB DIMENSIONS in A B 48 50PG 03 07 62M BTR PG26 D 62M A CRB 14MC 805 16 4411 16 08 14...

Page 29: ...r pieces included with ERV curb must be watertight ROOFTOP MODEL ROOFTOP SIZE 62M TRANSITION ERV CURB DIMENSIONS in A B 48 50PG 03 07 62M BTR PG26 H 62M B CRB 14MC 805 16 4411 16 08 14 62M BTR PG712 H...

Page 30: ...ITION ERV CURB DIMENSIONS in A B 48 50PG 20 28 62M BTR HG1525 H 62M B CRB 14MC 114 4 78 6 48 50HJ 020 028 62M BTR HG1525 H 62M B CRB 14MC 114 4 78 6 LEGEND NOTES 1 The ERV unit can be used with a fact...

Page 31: ...E 62M TRANSITION ERV CURB DIMENSIONS in A B 48 50PG 20 28 62M BTR HG1525 D 62M B CRB 14MC 114 4 78 6 48 50HJ 020 028 62M BTR HG1525 D 62M B CRB 14MC 114 4 78 6 LEGEND NOTES 1 The ERV unit can be used...

Page 32: ...Return Supply Rooftop Unit Curb ERV Unit Curb ERV Curb Return Supply A A ROOFTOP UNIT MODEL ROOFTOP SIZE TRANSITION P N ERV CURB P N ROOFTOP ECONOMIZER 48 50HJ TF TJ TM 012 014 62M CTR HJ1012 D 62M C...

Page 33: ...Ton Rooftop Unit A A 33 1 2 Side View A A Rooftop Unit Curb ERV Unit Curb ROOFTOP UNIT MODEL ROOFTOP SIZE TRANSITION P N ERV CURB P N ROOFTOP ECONOMIZER 48 50HJ TF TJ TM Without Economizer 012 014 62M...

Page 34: ...TURN Rooftop Unit Curb ERV Unit Curb Fig 35 62MD ME330 640 Coupled with Carrier 48 50TJ TM016 028 and 48 50HJ015 017 Vertical Discharge Rooftop Unit ROOFTOP UNIT MODEL ROOFTOP SIZE TRANSITION P N ERV...

Page 35: ...rb ERV Unit Curb CurbDetail Rooftop Unit Curb ROOFTOP UNIT MODEL ROOFTOP SIZE 62M TRANSITION ERV CURB DIMENSIONS in A B C 48 50PG 08 14 62M CTR PG712 D 62M C CRB 14M 923 4 5315 16 10 LEGEND NOTE When...

Page 36: ...tail Rooftop Unit Curb A A ROOFTOP UNIT MODEL ROOFTOP SIZE 62M TRANSITION ERV CURB DIMENSIONS in A B C 48 50PG 08 14 62M CTR PG712 H 62M C CRB 14M 923 4 5315 16 10 LEGEND NOTE When using a 62M ERV uni...

Page 37: ...ANSITION ERV CURB DIMENSIONS in A B 48 50PG 20 28 62M CTR HG1525 H 62M C CRB 14M 114 4 78 6 48 50HJ 020 028 62M CTR HG1525 H 62M B CRB 14M 114 4 78 6 LEGEND NOTES 1 The ERV unit can be used with a fac...

Page 38: ...62M TRANSITION ERV CURB DIMENSIONS in A B 48 50PG 20 28 62M CTR HG1525 D 62M C CRB 14M 114 4 78 6 48 50HJ 020 028 62M CTR HG1525 D 62M B CRB 14M 114 4 78 6 LEGEND NOTES 1 The ERV unit can be used with...

Page 39: ...rb ERV Curb 62M Unit Accessory Transition ERV Curb Rooftop Unit Curb ROOFTOP UNIT MODEL ROOFTOP SIZE TRANSITION P N ERV CURB P N 48 50A 020 060 62M CTR AJ2060 D 62M C CRB 14M LEGEND NOTES 1 The ERV un...

Page 40: ...P ECONOMIZER 48 50TJ TM 016 028 62M DTR HJ1525 D 62M D CRB 14M 62MA 900 007 48 50HJ 015 017 62M DTR HJ1525 D 62M D CRB 14M 62MA 900 007 LEGEND NOTES 1 The standard factory economizer cannot be used wh...

Page 41: ...ransition ROOFTOP MODEL ROOFTOP SIZE 62M TRANSITION ERV CURB DIMENSIONS in A B 48 50PG 20 28 62M DTR HG1525 H 62M D CRB 14M 114 4 78 6 48 50HJ 020 028 62M DTR HG1525 H 62M D CRB 14M 114 4 78 6 LEGEND...

Page 42: ...ERV Unit Curb Curb Detail Accessory Transition A A ROOFTOP MODEL ROOFTOP SIZE 62M TRANSITION ERV CURB DIMENSIONS in A B 48 50PG 20 28 62M DTR HG1525 D 62M D CRB 14M 114 4 78 6 48 50HJ 020 028 62M DTR...

Page 43: ...A A Exhaust Hood A A Rooftop Unit Curb ERV Unit Curb Top View ROOFTOP UNIT MODEL ROOFTOP SIZE TRANSITION P N ERV CURB P N 48 50A 020 060 62M DTR AJ2060 D 62M D CRB 14M LEGEND NOTES 1 The standard fac...

Page 44: ...r blower mounted over supply opening in base Outside air intake hood outside units only Exhaust blower ERV Wheel 2 in pre filters outside air Outside air rainhood ERV wheel Supply air blower Supply du...

Page 45: ...V unit consider required service clearances See Table 1 for unit weights to determine if building struc ture reinforcements are required Determine a Method for Mounting The method for mount ing and se...

Page 46: ...x 25 x 2 2 20 x 25 x 2 2 20 x 25 x 2 2 20 x 25 x 2 Outside Air Qty Size L x W x D in 1 12 x 20 x 2 1 18 x 25 x 2 1 18 x 25 x 2 2 20 x 25 x 2 2 20 x 25 x 2 2 20 x 25 x 2 UNIT 62M 330 430 550 640 750 95...

Page 47: ...2 and 3 for electrical and configuration data ELECTRICAL CONNECTIONS The ERV unit must have its own electrical disconnect box If the disconnect option has not been ordered from the factory it must be...

Page 48: ...76 4 94 2 01 5 5 7 13 8 53 8 53 5 03 8 120 115 1 60 0 7 16 1 33 09 40 00 52 00 60 50 2 50 48 61 74 69 39 17 39 80 60 5 76 57 94 35 95 48 43 48 200 90 230 1 60 0 3 8 16 66 20 00 26 00 30 25 2 25 36 30...

Page 49: ...32 10 05 18 330 208 230 3 60 1 2 6 8 2 15 13 18 50 23 30 30 20 8 35 24 43 63 43 63 20 11 60 40 10 40 26 49 91 49 91 25 13 45 15 52 83 65 62 65 62 37 70 80 60 460 3 60 3 4 7 62 10 00 12 25 30 12 8 17...

Page 50: ...10 71 96 89 54 99 13 25 13 200 90 15 84 53 105 25 111 70 37 70 110 20 97 09 120 95 124 26 50 26 460 3 60 1 2 11 23 36 29 00 36 95 60 35 10 35 93 44 71 49 52 12 57 45 15 42 21 52 56 55 80 18 85 80 50 2...

Page 51: ...28 17 27 30 15 5 16 28 19 56 22 29 5 03 30 20 8 23 82 28 99 29 83 12 57 40 25 460 3 60 2 6 2 1 5 53 6 51 8 46 30 8 2 8 05 9 65 10 98 2 51 10 5 11 82 14 36 14 75 6 28 12 575 3 60 2 1 1 7 4 41 5 13 6 6...

Page 52: ...6 12 26 12 12 57 40 25 15 28 00 33 98 33 98 18 85 30 575 3 60 3 6 2 7 7 83 8 97 11 66 30 10 8 15 87 19 03 19 71 8 04 18 10 17 88 21 54 21 72 10 05 20 15 22 91 27 82 27 82 15 08 40 25 430 208 230 3 60...

Page 53: ...4 91 65 10 84 64 100 80 10 80 05 96 52 109 77 25 13 200 100 15 92 61 112 23 122 33 37 70 110 20 105 18 127 93 134 90 50 26 125 460 3 60 1 2 12 9 11 27 20 32 29 41 98 60 40 10 39 76 48 00 54 55 12 57 8...

Page 54: ...Brown Black Jumper in plug leave 20 19 18 17 16 15 14 Actuator Motor Economizer End switch Important Remove and re install through end switch 20 19 18 17 16 15 14 Switch Bracket Economizer Gear hub Ec...

Page 55: ...r is installed and fused disconnect option is selected fusing will be separated ERV and pre heater will have separate fusing 8 DPDT relay may be substituted If so pins 2 5 and 8 will not exist 9 Follo...

Page 56: ...transformer may substitute internal breaker on secondary for fuse 5 Door switches are optional 6 DPDT relay may be substituted If so pins 2 5 and 8 will not exist Before performing service or mainten...

Page 57: ...l shock could cause personal injury or death 4 Variable frequency drives are sensitive to the polarity of a 0 to 10 volt DC control signal If the control source is acting properly and the voltage vari...

Page 58: ...ee Note DISCONNECT FIOP NOTES 1 Thermostat is factory set at 5 degrees Range is 30 to 100 F 2 MInimum airflow is 05 in wg Fig 53 Typical Wiring Schematic Optional Preheat High Voltage and Control Circ...

Page 59: ...a 62M170 unit has a range of 1 400 to 2 000 cfm airflow and when shipped will be setup to achieve the 2 000 cfm airflow level See Fig 57 80 CURVE SELECTION Refer to the fan curve for the ERV unit bei...

Page 60: ...00 1800 2000 2200 2400 2600 2800 3000 3200 3400 3600 3800 4000 4200 4400 4600 4800 5000 Airflow cfm Pressure Drop in wg 62M170 225 62M285 62M330 430 Fig 55 62M170 430 ERV Wheel Pressure Drop Fig 54 62...

Page 61: ...000 5500 6000 6500 7000 7500 8000 8500 9000 9500 10000 10500 11000 Airflow cfm Pressure Drop in wg 62M550 640 62M750 950 Fig 56 62M550 950 ERV Wheel Pressure Drop cont Data based on measurements taken...

Page 62: ...ply Air High Speed Supply Air Speed Three Supply Air Speed Two Supply Air Low Speed AIirflow cfm External Static Pressure in wg 0 100 200 300 400 500 600 0 00 0 20 0 40 0 60 0 80 1 00 1 20 1 40 1 60 E...

Page 63: ...000 1200 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1136 rpm 2 turns 1081 rpm 3 turns 1010 rpm 4 turns 946 rpm 5 turns Airflow cfm External Static in wg NOTE Fan data includes pressure drop for 30 efficient...

Page 64: ...1075 1275 1475 0 2 0 4 0 6 0 8 1 0 1399 rpm 2 turns 1332 rpm 3 turns 1244 rpm 4 turns 1162 rpm 5 turns Airflow cfm External Static in wg NOTE Fan data includes pressure drop for 30 efficient 2 in fil...

Page 65: ...400 1600 1800 2000 2200 2400 2600 0 2 0 4 0 6 0 8 1 1068 rpm 3 turns 1045 rpm 4 turns 1018 rpm 5 turns 977 rpm 6 turns External Static in wg Airflow cfm NOTE Fan data includes pressure drop for 30 eff...

Page 66: ...00 0 2 0 4 0 6 0 8 1 1077 rpm 3 turns 1052 rpm 4 turns 1024 rpm 5 turns 964 rpm 6 turns External Static in wg Airflow cfm NOTE Fan data includes pressure drop for 30 efficient 2 in filters NOTE Fan da...

Page 67: ...3500 0 1 0 3 0 5 0 7 0 9 1 1 1193 rpm 2 turns 1147 rpm 3 turns 1097 rpm 4 turns 1062 rpm 5 turns External Static in wg Airflow cfm 2500 2000 NOTE Fan data includes pressure drop for 30 efficient 2 in...

Page 68: ...000 3200 3400 3600 3800 4000 0 13 0 20 0 30 0 40 0 50 842 rpm 2 turns 808 rpm 3 turns 770 rpm 4 turns External Static in wg Airflow cfm NOTE Fan data includes pressure drop for 30 efficient 2 in filte...

Page 69: ...000 3500 4000 4500 5000 5500 0 20 0 40 0 60 0 80 1 00 871 rpm 4 turns 891 rpm 5 turns External Static in wg Airflow cfm NOTE Fan data includes pressure drop for 30 efficient 2 in filters NOTE Fan data...

Page 70: ...0 3500 4000 4500 5000 5500 6000 6500 0 3 0 4 0 6 0 8 1 0 1 2 1109 rpm 2 turns 1049 rpm 3 turns 998 rpm 4 turns 947 rpm 5 turns Airflow cfm External Static in wg NOTE Fan data includes pressure drop fo...

Page 71: ...7000 7500 8000 0 4 0 5 0 6 0 7 0 9 1202 rpm 0 turns 1152 rpm 1 turn 1123 rpm 2 turns 1096 rpm 3 turns External Static in wg Airflow cfm NOTE Fan data includes pressure drop for 30 efficient 2 in filt...

Page 72: ...000 6500 7000 7500 8000 8500 9000 0 3 0 5 0 7 0 9 1 1 923 rpm 0 turns 898 rpm 1 turn 862 rpm 2 turns 844 rpm 3 turns 813 rpm 4 turns External Static in wg Airflow cfm NOTE Fan data includes pressure d...

Page 73: ...7500 8000 8500 9000 9500 10000 10500 11000 0 3 0 5 0 7 0 9 1 1 1024 rpm 3 turns 962 rpm 4 turns 929 rpm 5 turns Airflow cfm External Static in wg NOTE Fan data includes pressure drop for 30 efficient...

Page 74: ...eel exceeds the set point When the frost protection option is activated the following will occur ERV wheel turns on Outdoor air blower motor turns off EXH blower motor is on Occupied Mode with the Pre...

Page 75: ...Option When using the wheel bypass option with the stop jog option this allows free cooling through the wheel limited by the ERV cfm limits With this option the unit can be in free cooling or not depe...

Page 76: ...ween nose and rim end of segment must face the motor side of the cassette See Fig 88 3 Ease the segment downward until its outer rim clears the inside of the wheel rim Then press the segment inward ag...

Page 77: ...shaft Fig 91 shows belt partially through the opening 6 Reinstall the bearing onto the wheel shaft being careful to engage the two locating pins into the holes in the bearing support beam Secure the...

Page 78: ...ample annual washing of energy transfer may be necessary to maintain latent transfer efficiency Proper cleaning of the energy recovery wheel will restore latent effectiveness to near original performa...

Page 79: ...e adhe sive to prevent loosening Annually confirm setscrew is secure The wheel drive belt is a urethane stretch belt designed to provide constant tension through the life of the belt No adjust ment is...

Page 80: ...iscontinue or change at any time specifications or designs without notice and without incurring obligations Catalog No 536 220 Printed in U S A Form 62M 1SI Pg 80 1 06 Replaces New Copyright 2006 Carr...

Page 81: ......

Page 82: ...Control Option Yes No NOTE Do Not Use With Economizer Option Factory installed Stops the ERV wheel rotation for free cooling Stop Jog Control Option Yes No NOTE Use With Economizer Option Factory ins...

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