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6

INSTALLER’S GUIDE

18-HE39D8-13A-EN

1. Loosen the two 
(2) screws to allow 
hood to slide under 
top sealing flange of 
the unit.

Detail

Economizer rain 
hood

Figure 7. Mounting Rain Hood

Top flange of hood 
slides under HVAC 
unit’s top sealing 
flange

HVAC unit’s top 
sealing flange

Hood

HVAC unit

2. Drive six (6) self 
tapping screws into the 
keyhole openings
on each side of hood 
flanges.

Unit’s top sealing 
flange

3. Tighten the two 
(2) top screws and 
the two (2) side 
screws.

Содержание BAYRLAY004A

Страница 1: ...justed or altered equipment by an unqualified person could result in death or serious injury When working on the equipment observe all pre cautions in the literature and on the tags stickers and label...

Страница 2: ...parts to your supplier immediately and replace with authorized parts only WARNING HAZARDOUS VOLTAGE DISCONNECT POWER BEFORE SERVICING 1 The economizer ships with the return air damper folded up to all...

Страница 3: ...s DC TC WC or YC Unit Horizontal Return Air Panel Down Flow Return Air Panel Blower Access Panel Control Box Access Panel Coil Access Panel Mixed Air Sensor Economizer Assembly Rainhood Assembly Mist...

Страница 4: ...ese options at this time per instructions provided Figure 4 Insert Economizer in Shipping Position DC TC YC or WC Unit Dry bulb outside air temperature sensor Insert economizer in folded shipping posi...

Страница 5: ...2 Insert Assembly screw 1 Swing Down Return Air Damper Return Air Damper 3 Tighten Linkage rod Figure 6 Start Economizer s Front Mounting Screws Economizer outline Install two 2 screws into holes Lea...

Страница 6: ...Economizer rain hood Figure 7 Mounting Rain Hood Top flange of hood slides under HVAC unit s top sealing flange HVAC unit s top sealing flange Hood HVAC unit 2 Drive six 6 self tapping screws into the...

Страница 7: ...urb Relief damper Mist eliminator filter Economizer rain hood Outside air dampers Return air dampers Required filter kit order separately Mount the Mixed Air Sensor to the partition using two 2 sheetm...

Страница 8: ...tinue Routing Behind Compressor Compartment and into Blower Compartment 3 Pull the two 2 Mixed Air Sensor Wires with female quick connects from the Harness and Route Down Near the Mixed Air Sensor Con...

Страница 9: ...9 INSTALLER S GUIDE 18 HE39D8 13A EN A A A A Figure 11 TC YC Economizer Connection Diagram Wiring Diagram for Economizer Using a Honeywell W7459 Logic...

Страница 10: ...10 INSTALLER S GUIDE 18 HE39D8 13A EN Figure 12 WC Economizer Connection Diagram Wiring Diagram for Economizer Using a Honeywell W7459 Logic...

Страница 11: ...11 INSTALLER S GUIDE 18 HE39D8 13A EN Wiring Diagram for Economizer Using a Honeywell W7212 Logic Only TC YC Economizer Connection Digram May Be C X Y...

Страница 12: ...12 INSTALLER S GUIDE 18 HE39D8 13A EN Wiring Diagram for Economizer Using a Honeywell W7212 ONLY WC Economizer Connection Digram May Be C X Y...

Страница 13: ...ion is obtained and tighten all nuts and set screws This motor checkout ensures that 1 The motor operates the load 2 The motor responds properly to the controller 3 There is no binding of the linkage...

Страница 14: ...d to terminals Sr and 6 Apply power 24Vac to terminals TR and TR1 1 To simulate high and low enthalpy single enthalpy sensor re connect factory installed 620 ohm resistor from terminals Sr and Connect...

Страница 15: ...07 57 2 14 5 000 3 420 59 0 15 4 767 3 373 60 8 16 4 545 3 328 62 6 17 4 335 3 283 64 4 18 4 136 3 239 66 2 19 3 948 3 180 68 0 20 3 769 3 157 69 8 21 3 599 3 118 71 6 22 3 437 3 080 73 4 23 3 284 3 0...

Страница 16: ...Procedure Proper Response 1 CHECKOUT PREPARATION FOR ECONOMIZING ONLY Disconnect power at TR and TR1 All LED are off Exhaust Fan contacts are open Disconnect devices at P and P1 Jumper P to P1 defaul...

Страница 17: ...rees open Remove jumper from N terminal economizer goes into not occu pied mode Motor remains at 45 degrees open Adjust DCV MAX towards CW Motor will move to position set by DCV MAX pot Adjust DCV MAX...

Страница 18: ...s TR and TR1 terminals on Logic Module 24 volts No voltage No Yes Yes Yes Yes 130 ohms Open No No No G must have 24V applied to energize the minimum position damper Black wire must be connected to G l...

Страница 19: ...ate economizer beyond minimum position fresh air opening Is OAS closed Is 24V present between terminals 1 and TR1 Is resistance Remove OAS wire from S0 and terminals on the Logic module What is 620 oh...

Страница 20: ...at s Y2 connected to unit s YL Yes Is 24V present at YL Troubleshoot unit Problem is not in economizer Troubleshoot why thermostat is not calling for 2nd stage Wire per Installer s Guide Install a 2 s...

Страница 21: ...lly CCW Ensure there is not a call for cooling Does damper begin to close Adjust Minimum Position to desired setting Measure resistance of green resistor across P and P1 terminals What is the resistan...

Страница 22: ...r or replace MAS Dampers drive to 100 open although the mixed air temp is below 55F Remove MAS wires from T and T1 terminals on logic module What is It can be possible for the tip of the MAS to twist...

Страница 23: ...s for shorting Replace MAS Logic Module has repeated failures Remove MAS wires from T and T1 terminals on logic module Measure resistance from either MAS wire to cabinet ground any continuity Yes No H...

Страница 24: ...plications For more information please visit www trane com or www americanstandardair com The manufacturer has a policy of continuous data improvement and it reserves the right to change design and sp...

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