Nailor 37S Manual page 2

Hot Water Coil Section Model 37SW
q
Standard Features:
• Coil section installed on unit discharge.
• Coil (and header on multi-circuit units) is installed in
insulated casing for increased thermal efficiency.
• 1/2" (13) copper tubes.
• Aluminum ripple fins.
• Sweat connections: One row 1/2" (13) O. D. male solder.
Two and three row 7/8" (22) O.D. male solder.
• Top and bottom access panels for inspection and coil cleaning.
• Flanged outlet duct connection.
Coil Rows:
q 1-Row q 2-Row q
Coil Hand Connections:
(Looking in direction of airflow).
q Right hand (illustrated). Standard.
q Left hand. Optional.
Electric Coil Section Model 37SE
q
Standard Features:
• Controls enclosure incorporates a hinged access door opening
upstream that helps ensure NEC clearance requirements
and reduces footprint. (FN2 90° design is standard).
• Unique hinged heater design permits easy access, removal and
replacement of heater element without disturbing ductwork.
• Class A 80/20 Ni/Cr wire.
• Coil installed on unit discharge.
• Insulated coil element wrapper.
• Automatic reset high limit cut-outs (one per element).
• Single point electrical connection (except 600V).
• Fan interlock relay or positive pressure airflow switch.
• Flanged outlet duct connection.
• Terminal unit with coil is ETL Listed as an assembly.
• Controls mounted as standard on RH side as shown.
Terminals ordered with LH controls (optional) are inverted.
Voltage:
Single phase, 60 Hz.
q 120V q 208V q
Three phase, 60 Hz.
208V 480V (4 wire wye).
q q
600V (dual point connection).
q
Options:
q Toggle disconnect switch
(includes fan).
q SCR control.
q Door interlock disconnect
switch.
SCHEDULE TYPE:
PROJECT:
ENGINEER:
CONTRACTOR:
Nailor Industries Inc. reserves the right to change any information concerning product or pricing without notice.
LOW PROFILE FAN POWERED TERMINAL UNIT WITH
EPIC ECM OR PSC MOTOR • HEAT ACCESSORIES
SERIES FLOW • CONSTANT OR VARIABLE VOLUME
MODELS: 37SW AND 37SE • UNIT SIZES 1 – 3
3-Row
OPTIONAL 90° FN2
240V q 277V
_______________ .
q
q Mercury contactors.
q Power circuit fusing.
q Dust tight construction.
Manual reset secondary
q
thermal cut out.
FAN
HINGED FAN
CONTROLS
ENCLOSURE
6 3/4"
(171)
FAN
2" (51)
HINGED FOR ELEMENT
REMOVAL
8 - 13 - 19
12" (305)
1 3/4"
(44)
HOT
WATER
COIL
3 5/8"
(92)
COIL
15"
CONNECTION
(381)
M
11 1/2"
(292)
(25)
15 3/8"
ELECTRIC
(391)
HEATER
K
15"
(381)
6 3/4"
(171)
Page 2 of 2.
Dimensions are in inches (mm).
DATE B SERIES SUPERSEDES DRAWING NO.
3700 8 - 3 - 17
11" (279)
C
E
D
1 1/8" (29)
11" (279)
1" G
F
ELECTRIC
COIL AND
90° FN2
HINGED FAN
CONTROLS
ENCLOSURE
(STANDARD)
37S-1