Envision IM1603 - Manual - manualsarea.com

Page 2 - Table of Contents; Sizing

1 ENVISION SERIES AIR HANDLER INSTALLATION MANUAL Table of Contents Model Nomenclature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 General Installation Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

Page 4 - Safety Considerations; Warning: Before performing service or maintenance op-; General Installation Information; Physical Data

Safety Considerations Warning: Before performing service or maintenance op- erations on a system, turn off main power switches to the equipment. Electrical shock could cause personal injury. Installing and servicing heating and air conditioning equip- ment can be hazardous due to system pressure and...

Page 5 - Air Handler Sizing Selection; Moving and Storage

4 ENVISION SERIES AIR HANDLER INSTALLATION MANUAL Air Handler Sizing Selection The Envision Air Handlers are designed for R410a refrigerant and should be matched with Envision Split series compressor section according to the table below. General Installation Information Moving and Storage If the equ...

Page 6 - Warning: Do not lift or reposition the ‘A’ coil by grasping

5 ENVISION SERIES AIR HANDLER INSTALLATION MANUAL Condensate Drain To facilitate condensate removal, the air handler should be pitched 1/4” towards the drain in both directions. The drain line contains cold water and should be insulated in uncondi- tioned spaces to avoid drain line condensation from...

Page 7 - Bottomflow Application; ger of equipment damage and personal injury. Be careful

6 ENVISION SERIES AIR HANDLER INSTALLATION MANUAL Bottomflow Application To convert the NAH series air handlers for bottomflow ap- plications follow the steps shown below: Remove all access panels. Disconnect the blower harnesses from the motor and loosen ground wire from blower. Remove the blower b...

Page 8 - Air Handler Installation; Leak Testing

7 ENVISION SERIES AIR HANDLER INSTALLATION MANUAL General Installation Information Air Handler Installation The air handler is attached to the shipping pallet with screws. Prior to setting the unit in place remove the ship- ping screws located in the front base right behind the air filter access pan...

Page 9 - Refrigeration; TXV Superheat Adjustments

8 ENVISION SERIES AIR HANDLER INSTALLATION MANUAL General Installation Information Refrigeration The Envision NAH series air handlers are supplied with an expansion device. Once the line set has been brazed into the air handler the txv bulb must be attached to the suc- tion line outside of the cabin...

Page 11 - Hydronic Models

10 ENVISION SERIES AIR HANDLER INSTALLATION MANUAL Hydronic Models The water heater and hydronic air handler must be lo- cated indoors and not subject to freezing temperatures. The water heater must be installed in accordance to local codes and its own installation instructions. The piping between t...

Page 12 - Water Presure Drop - Hydronic Coil; Coil Capacity vs. Entering Water Temperature; Electrical Data

11 ENVISION SERIES AIR HANDLER INSTALLATION MANUAL Hydronic Models Flow gpm Pressure Drop (PSI) 40°F 50°F 60°F 100°F 110°F 120°F 130°F 3.0 0.5 0.5 0.5 0.4 0.4 0.4 0.4 4.5 0.9 0.9 0.9 0.8 0.8 0.8 0.8 6.0 1.4 1.4 1.4 1.2 1.2 1.2 1.2 9.0 2.8 2.6 2.5 2.4 2.4 2.4 2.3 12.0 4.6 4.4 4.2 4.0 4.0 4.0 3.9 15.0...

Page 13 - Low Voltage Point to Point Wiring

12 ENVISION SERIES AIR HANDLER INSTALLATION MANUAL Electrical Data Low Voltage Point to Point Wiring To Air Handler From Thermostat To Compressor Section C C C R R R G G O O O Y1 Y1 Y1 Y2 Y2 Y2 W W2 L L Air Handler transformer must be 75VA. 5/29/08 Model Electric Heat Capacity Supply Circuit Aux. He...

Page 14 - Wiring Schematic

13 ENVISION SERIES AIR HANDLER INSTALLATION MANUAL Electrical Data Thermistor Light emitting diode - Green Relay coil Capacitor w/ bleed resistor Switch - Condensate overflow Switch - High pressure Switch - Low pressure Switch -Hot Water On/Off Polarized connector Factory Low voltage wiringFactory L...

Page 16 - ECM Blower Control; Cooling/Heating settings

15 ENVISION SERIES AIR HANDLER INSTALLATION MANUAL ECM Blower Control The ECM blower motor is controlled by an interface board installed in the air handler and allows field selectable CFM settings. The interface board receives inputs from the thermostat and converts them to signals used by the ECM m...

Page 17 - Blower Performance; Dip Switch Settings

16 ENVISION SERIES AIR HANDLER INSTALLATION MANUAL Blower Performance A A AbU AbU 4O\ A' AbU AbU 4O\ A# A$ # =\ =\ ' % "# =TT %%# $ !&! =\ =\ # =TT =\ & $ # " =TT $& #! !" =TT =\ & # =\ =TT % #" !%# =TT $ "# !' =\ =TT %%# # =TT =TT $" "& !# =TT =TT %&#...

Page 18 - Unit Start Up; Maintenance Filters

17 ENVISION SERIES AIR HANDLER INSTALLATION MANUAL Unit Start Up Check that supply voltage matches nameplate data. Fuses, breakers and wire size are correct. Low voltage wiring is complete. Piping is complete and water system is cleaned and flushed. Air is purged from the closed loop system. Isolati...

Page 19 - Dimensional Data; Top Flow/Horizontal Unit Configuration; Horizontal

18 ENVISION SERIES AIR HANDLER INSTALLATION MANUAL Dimensional Data Top Flow/Horizontal Unit Configuration Topflow/ Overall Cabinet Horizontal D E F Configuration A B C 3/4" cond 1/2" cond Return G H I J K L M N O P Q R S Width Depth Height Power Supply Low Voltage Air Duct Flange Suction / ...

Page 20 - Bottom Flow Unit Configuration; Bottomflow

19 ENVISION SERIES AIR HANDLER INSTALLATION MANUAL Dimensional Data Bottom Flow Unit Configuration Overall Cabinet Bottomflow D E F Configuration A B C 3/4" cond 1" cond Return G H I J K L M N O P Q R Width Depth Height Low Voltage Power Supply Air Duct Flange Suction / Water Out Liquid / Wa...

Page 21 - Replacement Procedures; Obtaining Parts

20 ENVISION SERIES AIR HANDLER INSTALLATION MANUAL Replacement Procedures Obtaining Parts When ordering service or replacement parts, refer to the model number and serial number of the unit as stamped on the serial plate attached to the unit. If replacement parts are required, mention the date of in...

Envision IM1603 - Manual

Table of Contents:

Summary

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