Installation Instructions

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Document No. 540-204

Rev. 2, January, 1999

Heat Pump Controller – Multi-Stage

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These instructions explain how to field install (pages 1

and 2) or replace (pages 2 through 4) a Heat Pump

Controller – Multi-Stage (for multiple compressor heat

pump applications).

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540-505

Shipping carton includes a controller assembly

(controller board and cover), a mounting rail, and two

self-tapping/drilling screws.

: Keep the controller assembly in its static-proof

bag until you install it on the mounting rail.

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CACA

CAU

: Equipment damage or loss

of data may occur if the

user does not follow

procedure as specified.

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• Electro-Static Discharge (ESD) wrist strap

• Small flat-blade screwdriver

• Medium flat-blade screwdriver

• Medium-duty electric drill

• 1/4 in. (6.35 mm) hex nut bit

• Portable Operator’s Terminal with Controller

Interface Software Rev. 2.0 or higher (required

for controller replacement only)

Additional tools needed if not using self-tapping

option:

• 1/4 in. (6.35 mm) hex nut driver

• 1/8 in. (3 mm) bit

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• Room temperature sensor installed (optional)

• A source of 24 Vac Class 2 power available

• Supply power to the unit is OFF

• If required, controller enclosure installed

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New controller installation 10 Minutes

Replacement (old controller has

removable terminal blocks)

6 Minutes

Replacement (old controller does not

have removable terminal blocks)

16 Minutes

: You may require additional time for database

work at the field panel.

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: These steps only refer to new installations.

For replacement instructions, refer to pages 2 through

The following tasks can be performed by the

electrician:

1. Using the mounting rail as a template (Figure 1),

mark the location for the two screw holes where

you will install the controller assembly.

2. Do one

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one of the following:

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: Using the

drill and the hex nut bit, fasten the mounting

rail with the screws. (Screws do not require

starter holes.)

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: Drill two

1/8 in. (3 mm) pilot holes for the screws. Align

the mounting rail with the holes. Using the

hex nut driver, fasten the mounting rail with

the #6 or #8 screws.

3. Place the ESD wrist strap on your wrist and attach

it to a good earth ground.

Summary of content (8 pages)

PAGE 1
Installa llation Instructions ons Document No. 540-204 Rev. 2, January, 1999 Heat Pump Controller – Multi-Stage Produc oduct Description Prerequisi equisit isites These instructions explain how to field install (pages 1 and 2) or replace (pages 2 through 4) a Heat Pump Controller – Multi-Stage (for multiple compressor heat pump applications).
PAGE 2
540-204 Installations Instructions Rev.
PAGE 3
540-204 Installations Instructions Rev. 2, 1/99 The following tasks can be performed by the system specialist: c. 1. Place the ESD wrist strap on your wrist and attach it to a good earth ground. 2. Before disconnecting the old controller, do one of the following: NOTE: If the new controller has a newer firmware revision than the old controller, then skip to the third bullet. • If the old controller communicates with the field panel, then update the controller initial values at the field panel.
PAGE 4
540-204 Installations Instructions Rev. 2, 1/99 • If you manually recorded the initial values in the table, then enter them into the new controller. If a field panel is present, then update the controller’s initial values. The replacement is complete. • If there was no communication at the old controller, or the new controller has a newer firmware revision than the old controller, then enter the initial values into the new controller.
PAGE 5
40-204 Installations Instructions Rev. 2, 1/99 BST RTS TEC0042R2 LAN TRUNK TX RX + - S (SHIELD) (SHIELD) (-) (+) (-) (+) Figur gure 3. LAN Trunk unk Wiring. ng. 24 V-AC DO 1 DO 2 DO 3 DO 4 DO 5 DO 6 DO 7 DO 8 NO C NO C NO C NO C NO C NO C NO C NO C C H 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 COMMON TEC0047R2 24 VAC HOT CONTROLLER POWER WIRING NOTE: NO EARTH GROUND CONNECTION REQUIRED. Figur gure 4. Power Trunk unk Wiring. ng.
PAGE 6
540-204 Installations Instructions Rev. 2, 1/99 CAU CAUTION: The Heat Pump Controller – Multi-Stage controls 24 Vac loads only. The maximum rating is 12 VA for each DO. For higher VA requirements, 110 or 220 Vac requirements, separate transformers used to power the load, or DC power requirements, use an interposing 220 V 4-relay module (TEC Relay Module P/N 540-147). NOTE: Refer to the unit wiring diagrams or consult with the local representative if terminations are missing or are different.
PAGE 7
540-204 Installations Instructions Rev. 2, 1/99 CAU CAUTION: The Heat Pump Controller – Multi-Stage controls 24 Vac loads only. The maximum rating is 12 VA for each DO. For higher VA requirements, 110 or 220 Vac requirements, separate transformers used to power the load, or DC power requirements, use an interposing 220 V 4-relay module (TEC Relay Module P/N 540-147). NOTE: Refer to the unit wiring diagrams or consult with the local representative if terminations are missing or are different.
PAGE 8
540-204 Installations Instructions Rev. 2, 1/99 NOTE: Record only those points marked with an asterisk (*) on the CIS display. Use F3 () to identify the initial value for each point marked with an asterisk. You may want to make extra copies of this table for other controllers. Contr ontro ller name and locat cation: on: ____________________________________________________________________________ trolle Table 1. Record of Contr ontro trolle ller Initial Values ues. Point No.