Installation - Groen TDBC 20C Operator's Manual

DANGER
ELECTRICALLY GROUND THE UNIT AT
THE TERMINAL PROVIDED. FAILURE TO
GROUND UNIT COULD RESULT IN
ELECTROCUTION AND DEATH.
Pull lead from 208V tab and insert on 240V tab.
8 OM-TDB/TDBC
c. For conversion from 480V, 3-phase to 460V, 3-phase:
i. Verify that the branch circuit wiring is adequate for any
increase amperage requirements (see table below).
ii. Complete "conversion label" (supplied in bag and adhere it
to the control box near the UL dataplate).
5. Bring incoming electrical service through the conduit fitting (for 240V
1-phase, a new one inch conduit fitting is required) at the rear of the support
housing, making a watertight connection with the incoming lines. A BX style
connection is not recommended.
6. Confirm that the jacket water level is at or just above mid point of sight glass
(new models). If the level is low, follow the instructions under "Jacket Filling
and Water Treatment" in the "Maintenance" section of the manual.
7. Ensure that the open end of the elbow on the outlet of the pressure relief
valve is directed downward.
TDB/TDBC SUPPLY WIRE REQUIREMENTS
THWN (75°) / THHN (90°) COPPER ONLY
TDB/TDBC-20/24 (C,A)
VOLTAGE AMPS
208V 1 PH 31
3 PH 18
240V 1 PH 35
3 PH 20
460V 3 PH 7.3
480V 1 PH 14
3 PH 8

Installation

TDB/TDBC-40/48 (C,A)
SUPPLY
VOLTAGE
WIRE
8 208V 1 PH
12 3 PH
8 240V 1 PH
12 3 PH
14 460V 3 PH
14 480V 1 PH
14 3 PH
SUPPLY
AMPS
WIRE
52 6
30 8
60 4
35 8
14 12
25 10
15 12