Nordyne DT4BE Manual Download Page 9 | Manualshive

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9

G R W 2C E O Y

Thermostat

Green

Red

White

G

R

Black

O Y

R

C

Air Handler

Heat Pump OD

Section

Typical Heat Pump with

Outdoor Thermostat and Air Handler

W 2

C

W

E

A typical installation with a heat pump thermostat, air handler, and heat pump with an outdoor
thermostat.

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Summary of Contents for DT4BE

Page 1: ...t eliminate your problem call your servicing contractor Heat Pump Principle of Operation USER S INFORMATION 5 4 1 2 3 6 5 4 3 2 1 6 SUMMER COOLING 1 Indoor air enters the air handler section 2 Cold he...

Page 2: ...2...

Page 3: ...and ice to melt After the snow and ice have melted some steam may rise from the outdoor unit as the warm coil causes some melted frost to evaporate Figure 1 Typical Thermostat OPERATING INSTRUCTIONS T...

Page 4: ...re the electrical power to the outdoorunitandthefurnace airhandler is disconnected before doing the following recommended maintenance 1 Regularly a Clean or replace the indoor air filter at the start...

Page 5: ...operational checkout of the equipment BrazingOperations Installationofequipment may require brazing operations Safety codes must be complied with Safety equipment e g safety glasses work gloves fire e...

Page 6: ...installationreplaces a system with a filter dryer already present in the liquid line the filter dryer must be replaced with the one supplied with the unit The filter dryer must be installed in strict...

Page 7: ...power to the outdoor unit ensure that the unit has been properly and securely grounded and that power supply connections have been made at both the facility power interface and outdoor unit Outdoor Un...

Page 8: ...stat Green Red Brown G R W2 Orange Black O Y R C Air Handler Heat Pump OD Section Typical Heat Pump with Standard Air Handler W2 C W NOTE Jumper betweenW2 and E is required when no OD T Stat is used F...

Page 9: ...Red White G R Black O Y R C Air Handler Heat Pump OD Section Typical Heat Pump with Outdoor Thermostat and Air Handler W2 C W E A typical installation with a heat pump thermostat air handler and heat...

Page 10: ...tection The Comfort AlertTM module is a monitoring device and cannot control or shut down other devices LED Description See Figure 2 POWERLED Green indicatesvoltageispresent at the power connection of...

Page 11: ...he unit is being installed Example 1 Dry climate of Southern Arizona A 90 minute setting is recommended Example 2 Moist climate of Seattle Washington A 30 minute setting is recommended To set the cycl...

Page 12: ...if voltage at disconnect is low Excessive liquid refrigerant in compressor Compressor bearings are seized ALERT Flash Code 4 Yellow LED Locked Rotor Run capacitor has failed Low line voltage contact...

Page 13: ...ermanently the defrost cycle will become inoperable Miswired Module Indication Recommended Troubleshooting Action Green LED is not on module does not power up Determine if both R C module terminals ar...

Page 14: ...the checkout procedures supplied with the equipment Adjustment of Refrigerant Charge CAUTION Split system heat pump equipment contains liquid and gaseous refrigerantunderpressure Adjustment of refrige...

Page 15: ...90 95 100 105 110 115 120 125 130 Liquid Temperature F Liquid P res s ure ps ig Add refrigerant when below curve Remove refrigerant when above curve 2 Ton Heat Pump TXV Cooling Charging Chart 200 225...

Page 16: ...90 95 100 105 110 115 120 125 130 Liquid Temperature F Liquid P res s ure ps ig Add refrigerant when below curve Remove refrigerant when above curve 3 Ton Heat Pump TXV Cooling Charging Chart 200 225...

Page 17: ...90 95 100 105 110 115 120 125 130 Liquid Temperature F Liquid P res s ure ps ig Add refrigerant when below curve Remove refrigerant when above curve 4 Ton Heat Pump TXV Cooling Charging Chart 200 225...

Page 18: ...m Cooling Charts 5 Ton Heat Pump TXV Cooling Charging Chart 200 225 250 275 300 325 350 375 400 425 450 475 500 525 550 70 75 80 85 90 95 100 105 110 115 120 125 130 Liquid Temperature F Liquid P res...

Page 19: ...Disch Suc Liquid Disch Suc Liquid Disch Suc Liquid Disch Suc Liquid Disch Suc Liquid Disch Suc Liquid Disch Press Press Temp Press Press Temp Press Press Temp Press Press Temp Press Press Temp Press P...

Page 20: ...58 272 114 73 299 122 87 327 129 103 368 141 122 406 157 140 443 174 45 251 105 59 278 112 74 304 120 88 331 127 104 375 138 123 413 153 141 450 167 030K OUTDOOR TEMPERATURE DEG F 0 10 20 30 40 50 60...

Page 21: ...55 256 113 70 279 119 85 301 126 100 334 136 116 360 148 132 386 160 41 241 104 56 262 111 71 284 117 86 305 124 101 341 133 117 367 144 133 393 154 042K OUTDOOR TEMPERATURE DEG F 0 10 20 30 40 50 60...

Page 22: ...52 116 55 266 123 67 280 131 80 294 138 93 318 143 106 337 148 119 357 152 43 259 114 56 272 121 68 285 129 81 298 136 94 325 141 107 344 143 120 364 146 060K OUTDOOR TEMPERATURE DEG F 0 10 20 30 40 5...

Page 23: ...23...

Page 24: ...PLEASE LEAVE THESE INSTALLATION INSTRUCTIONS WITH THE HOMEOWNER 708695B Replaces 708695A Specifications illustrations subject to change without notice or incurring obligations O Fallon MO Printed in U...

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