Reznor MASA User Manual

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Form P-COND (Version 11-14)

Obsoletes P-COND (Version A.1)

IMPORTANT

1. Always include complete model and serial

number so that any specication change can

be considered for parts replacement. It can
save time and expense.

2. In keeping with our policy of continuous

product improvement, we reserve the

right to alter any information shown here.
Specications are subject to change without

notice.

3. We reserve the right to substitute functional

replacements

4. Order by P/N; not Option Designation.

Index

A

Access Panel 7

C

Cabinet Parts 7
Capacitor 3

Compressor Mounting Kit 5
Compressor Plug 5

Compressors 4
Compressor Section 4
Condenser Coil Guard 6
Condenser Coils 6

Condenser Fan and Motor 5

Contactors 3
Control Compartments 3
Corner Post 7

Crankcase Heater 5

E

Electrical Components 3

F

Fan Blade 5
Fan Guard 5
Fan Motor 5

Liquid Line Filter Driers 6

G

Grommet 7

Replacement Parts

Applies to: Condensing Unit

Model MASA

H

Hot Gas Bypass Valve 5

L

Latch 7

P

Paint 7

High Pressure Switch 5
Low Pressure Switch 5

Pull Tab 7

R

Rating Plate 2

Rawal Valve Options 8

Refrigerant Receiver 5

Relay 3

S

Serial No 2
Service Panel 7
Side Panel 7

T

Timer Board 3
Condenser Section Top 7
Control Compartment Top 7
Transformer 3

References:

Model MASA Installation Manual, Form I-COND

Additional references if installed with a Reznor Air Handler:

Installation Manual, Form I-PDH/SDH/PEH/SHH/PXH
Installation Manual, Form I-RDH/REH/RXH
Operation Manual, Form O-PREEVA & SHH
Replacement Parts, Form P-PREEVA & SHH
Installation Manual, Form, I-CAUA-CC

P-COND (11-14), P/N 268631R2, Page 1

Rating Plate and
Serial No.

REZNOR

MERCER, PA. USA 16137

MADE IN USA
FOR INDUSTRIAL/COMMERCIAL USE ONLY
FOR OUTDOOR USE
MODEL [ A ] [ B ] [ C ] BTU
SERIAL NO. [ ]
[ D ] VOLTS +/- 10% [ D ] PH [ D ] HZ

MINIMUM CIRCUIT AMPACITY (MCA) [ F ] AMPS
MAXIMUM FUSE SIZE/*CIRCUIT BREAKER (MOP) [ G ] AMPS
SHORT-CIRCUIT CURRENT: 5,000 RMS SYMMETRICAL, [D] V MAXIMUM

QTY FLA (EACH) HP (EACH)

CONDENSER FAN MOTOR (S) [ T ] [ U ] [ Z ]

QTY RLA (EA) LRA (EA)
COMPRESSOR A (1st STAGE) [ H ] [ I ] [ J ]
COMPRESSOR B (2nd STAGE) [ K ] [ L ] [ M ]
MINIMUM R-410A DESIGN PRESSURE IS 45 PSI

MAXIMUM R-410A DESIGN PRESSURE IS 600 PSI
WIRE DIAGRAM [ AA ]
*HACR TYPE REQUIRED PER NEC

Rating Plate Key

Serial No.

Month and Year Date
Code Table for Decoding
Serial No.

A = Model MASA 060, 090, 120, 150, 180,

240

B = Manufacturing Date
C = BTU
D = Volts (208/230; 480; 575),

3 Phase, 60 Hz

F = Minimum Circuit Ampacity
G = Maximum Fuse Amps

K = 1 Circuit B Compressor
L = Circuit B Compressor Rated Load Amps
M = Circuit B Compressor Locked Rotor

Amps

T = Condenser Fan Quantity (1 or 2)
U = Condenser Fan Load (Amps)
Z = Condenser Fan Motor HP (.75)

AA = Wiring Diagram No.
H = 1 Circuit A Compressor
I = Circuit A Compressor Rated Load (Amps)
J = Circuit A Compressor Locked Rotor

(Amps)

The serial number consists of an alpha date Code, a numeric date Code, and a consecutive
number.

Serial No. Example: BGJ400705394
BGJ = Date Code from table below
4007 = 40th week of the year 2007

05394 = Consecutive number

Year Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec

2006 B FA BFB BFC BFD BFE BFF BFG BFH BFI BFJ BFK BFL

2007 BGA BGB BGC BGD BGE BGF BGG BGH BGI BGJ BGK BGL

2008 BHA BHB BHC BHD BHE BHF BHG BHH BHI BHJ BHK BHL

2009 BIA BIB BIC BID BIE BIF BIG BIH BII BIJ BIK BIL

2010 BJA BJB BJC BJD BJE BJF BJG BJH BJI BJJ BJK BJL

2011 BKA BKB BKC BKD BKE BKF BKG BKH BKI BKJ BKK BKL

2012 BLA BLB BLC BLD BLE BLF BLG BLH BLI BLJ BLK BLL

2013 BMA BMB BMC BMD BME BMF BMG BMH BMI BMJ BMK BML

2014 BNA BNB BNC BND BNE BNF BNG BNH BNI BNJ BNK BNL

2015 BOA BOB BOC BOD BOE BOF BOG BOH BOI BOJ BOK BOL

2016 B PA BPB BPC BPD BPE BPF BPG BPH BPI BPJ BPK BPL

2017 BQA BQB BQC BQD BQE BQF BQG BQH BQI BQJ BQK BQL

2018 BRA BRB BRC BRD BRE BRF BRG BRH BRI BRJ BRK BRL

2019 BSA BSB BSC BSD BSE BSF BSG BSH BSI BSJ BSK BSL

2020 BTA BTB BTC BTD BTE BTF BTG BTH BTI BTJ BTK BTL

P-COND (11-14), P/N 268631R2, Page 2

Electrical
Components in the
Control Compartment

Control
Compartments

1

3

3

3

3

4

444

24V Terminal

Block

Code Description P/N

1 Capacitor

Transformer with

circuit breaker, 75 VA

2

Transformer with fuse Use with AK8, 575/3/60

3 Relay LY2 211411
4 Relay Mounting Socket 211415
5 Compressor Protect Board (anti-short cycle timer) 216385
6

7

3 Pole Contactor

8

Code 1 - Capacitor

5

5

7

460/3/60 and 575/3/60 207447, 7.5 MFD

208-230/3/60 207448, 10 MFD

Use with AK20, 208-

230/3/60 and AK7, 460/3/60

25 Amp 216386

40 Amp 216387

50 Amp 216388

8

Code 2 - Transformers

1

Terminal

6

208989

Transformer - 39095

Fuse - 201773

Block

2

Ground
Lug

P/N 207447,

7.5MFD/440V

P/N 207448,
10 MFD/370V

Code 3 & 4 - Relay,
P/N 211411, with
Socket, P/N 211415

Transformer with Circuit
Beaker, 75VA, 120/208­240/480-24v, P/N 208989

Code 5 - Anti-Short Cycle
Timer Board (Option
CUB1), P/N 216385

Transformer, 200VA,
575-24v, P/N 39095, with
Fuse, P/N 201773

Codes 6, 7, & 8 ­Contactors, 3 Pole

Code 6 - P/N 216386,
25AMP, HCC-3XQ01CY

Code 7 - P/N 216387,
40AMP, HCC-3XQ04CG

Code 8 - P/N 216388,
50AMP, HCC-3XQ05CJ

P-COND (11-14), P/N 268631R2, Page 3

Compressor Section

12

12

11

Circuit B

10
Circuit A

10
Circuit B

11
Circuit A

Receivers,

Code 13

Compressor Mounting

Grommet Kit, Code 14

A

B

Code 10 - R410A Scroll Compressors

Code 11 ­Crankcase
Heater
(belly band
type)

10 - Compressor 11 - Crankcase Heater

Model*

ZP20K5E
ZP39K5E

ZP29K5E

ZP39K5E

Reznor

216671

216672

261238 216437
261239 216397

234055

261239

P/N

Reznor

P/N

a

216434

b

216436

c

216437 40

d

216397

Watts

ZP83KCE 216691 216401

e

216394

f

216396

g

216397

235008

235012

235016

216401 70 7.4 (188)

Diameter

in. (mm)

40 5.5 (140)

40 5.5 (140)

40 5.5 (140)

6.6 (168)

40
40 5.5 (140)

5.5 (140)

5.5 (140)

40 6.6 (168)
70 7.4 (188)

40 6.6 (168)

40 6.6 (168)

40 6.6 (168)

Replacement Notes

a

Replaces Model ZP20K3E (same

P/N) which has a diameter of 6.6”
(168mm). Replacement requires a

200/230V crankcase heater with a

5.5” (140mm) diameter, P/N 216434.

b

Replaces Model ZP20K3E (same

P/N) which has a diameter of 6.6”
(168mm). Replacement requires
480V crankcase heater with a 5.5”
(140mm) diameter, P/N 216436.

c

Replaces Model ZP29K3E, P/N

216676 (could also be labeled

ZP32K3E, ZP32K5E, or ZP29K5E),
which has a diameter of 6.6”
(168mm). Replacement requires a
575V crankcase heater with a 5.5”
(140mm) diameter, P/N 216437.

d

Replaces Model ZP41K3E, P/N

216680, which has a diameter of

6.6” (168mm) and requires the same

crankcase heater as the replacement
compressor.

e

Replaces Model ZP54K3E, P/N

216682, which has a diameter of

7.4” (188mm). Replacement requires

200/230V crankcase heater with a

6.6” (168mm) diameter, P/N 216394.

f

Replaces Model ZP54K3E, P/N

216683, which has a diameter of

7.4” (188mm). Replacement requires
480V crankcase heater with a 6.6”
(168mm) diameter, P/N 216396.

g

Replaces Model ZP54K3E, P/N

216684, which has a diameter of

7.4” (188mm). Replacement requires
575V crankcase heater with a 6.6”
(168mm) diameter, P/N 216397.

MASA
Model

Option and

Nominal

Tonnage

Voltage

Voltage

200-230/3/60

060 5

480/3/60

575/3/60

200-230/3/60

090 8

480/3/60

575/3/60

200-230/3/60

120 10

480/3/60

575/3/60

200-230/3/60

150 13

480/3/60

575/3/60

200-230/3/60

180 15

480/3/60

575/3/60

200-230/3/60

240 20

480/3/60

575/3/60

AK20

AK7

AK8

AK20

AK7

AK8

AK20

AK7

AK8

AK20

AK7

AK8

AK20

AK7

AK8

AK20

AK7

AK8

Nominal
Tonnage

by Circuit

Circuit

A 2 ZP20K5E
B 3 ZP39K5E 216678 216394 40 6.6 (168)
A 2 ZP20K5E
B 3 ZP39K5E 216679 216396 40 6.6 (168)
A 2
B 3
A 2 ZP29K5E 216674 216434
B 5 ZP57K3E 216686 216398 70 7.4 (188)
A 2 ZP29K5E 216675 216436 40
B 5 ZP57K3E 216687 216400 70 7.4 (188)
A 3
B 5 ZP57K3E 216688 216401 70 7.4 (188)
A 3 ZP39K5E 216678 216394 40 6.6 (168)
B 7 ZP83KCE 216689 216398 70 7.4 (188)
A 3 ZP39K5E 216679 216396 40 6.6 (168)
B 7 ZP83KCE 216690 216400 70 7.4 (188)
A 3
B 7
A 4 ZP54K5E
B 8 ZP103KCE 216692 216402 90 9.17 (233)
A 4 ZP54K5E
B 8 ZP103KCE 216693 216404 90 9.17 (233)
A 4 ZP54K5E
B 8 ZP103KCE 216694 216405 90 9.17 (233)
A 5 ZP57K3E 216686 216398 70 7.4 (188)
B 10 ZP120KCE 216695 216402 90 9.17 (233)
A 5 ZP57K3E 216687 216400 70 7.4 (188)
B 10 ZP120KCE 216696 216404 90 9.17 (233)
A 5 ZP57K3E 216688 216401 70 7.4 (188)
B 10 ZP120KCE 216697 216405 90 9.17 (233)
A 7 ZP83KCE 216689 216398 70 7.4 (188)
B 13 ZP154KCE 220260 216402 90 9.17 (233)
A 7 ZP83KCE 216690 216400 70 7.4 (188)
B 13 ZP154KCE 220261 216404 90 9.17 (233)
A 7 ZP83KCE 216691
B 13 ZP154KCE 220262 216405 90 9.17 (233)

*Model No. of the replacement R410A scroll compressor must be identical to the one removed or the replacement listed including the
"E" (ZP39KxExxx) which indicates POE compressor oil.

P-COND (11-14), P/N 268631R2, Page 4

1” to 1-1/2” maximum

2-1/2”

1/2”

Fan and Motor
Assembly
Rotation and
Assembled
Dimensions

20

22

21

25

24

23

26

74/75,

page 7

Code 11 ­Crankcase
Heater

Code

Description MASA 60 MASA 90 MASA 120 MASA 150 & 180 MASA 240

12 Compressor Plug with 5ft leads (2) 205630, 10 ga wires (2) 223028, 6 ga wires
13 Liquid Refrigerant Receiver (see page 4) (2) 220480
14 Compressor Mounting Kit (see page 4) (2) 205825
15 High Pressure Switch (discharge line) (2) 216379
16 Low Pressure Switch (suction line) (2) 216380

Hot Gas

17

Bypass Valve

Voltage

P/N 216394 216434 216398 216402 216396 216436 216400 216404 216437 216397 216401 216405
Watts 40 70 90 40 70 90 40 70 90
Diameter 6.6” 5.5” 7.4” 9.17” 6.6” 5.5” 7.4” 9.17” 5.5” 6.6” 7.4” 9.17”

The element straps around the bottom of the compressor so the diameter must match.

See usage by Model Size and compressor on page 4.

Circuit A only (CUG2) (1) 220518, 3/8”

Circuits A & B (CUG3) (2) 220518, 3/8” (1) 220518, 3/8” & (1) 220517, 1/2”

Option AK20 Option AK7 Option AK8

208/230/3/60 480/3/60 575/3/60

Code 12 - Compressor
Plug

See P/N’s and application
in table.

Condenser Fan
and Motor

Code 15 - High Pressure
Switch (discharge line),
#IMPS-072-600R, P/N 216379

Code 16 - Low Pressure
Switch (suction line),
#ILPS- 072-025E050E,
P/N 216380

Code 17 - Hot
Gas Bypass
Valve, Sporlan

P/N 220518, 3/8”
P/N 220517, 1/2”

Condenser Unit Model Size

Code Description Voltage

20 Fan Blade, 26”, 21° 216381 (2) 216381
21 Fan Motor, 3/4HP 205628 205629 (2) 205628 (2) 205629
22 Motor Support 157107 (2) 157107
23 Hex Head Bolt 16248 (2) 16248
24 Lockwasher 1333 (2) 1333
25 Nut 1035 (2) 1035
26 Fan Guard 217135 (2) 217135

MASA 60 and 90 MASA 120, 150, 180 and 240

AK20 AK7 AK8 AK20 AK7 AK8

208/230/3/60 480/3/60 575/3/60 208/230/3/60 480/3/60 575/3/60

P-COND (11-14), P/N 268631R2, Page 5

Coil Guard,
CODE 54

Screws with washers
across the top,
CODES 51 and 53

Screws across the
bottom, CODES 52 and 53

Code 40 - Liquid Line
Filter Driers

MASA Refrigerant Circuit R410A Liquid Line Filter Driers *

Size Tons Circuit Tonnage Model Reznor P/N Connection Size

60 5

90 8

120 10

150 13

180 15

240 20

* Shipped loose in the condenser section of the original MASA unit shipment.

A 2 C-084-S 177378 1/2
B 3 C-164-S 177379 1/2
A 3 C-084-S 177378 1/2
B 5 C-164-S 216408 1/2
A 3 C-164-S 177379 1/2
B 7 C-304-S 216408 1/2
A 4 C-164-S 177379 1/2
B 8 C-304-S 216408 1/2
A 5 C-164-S 216408 1/2
B 10 C-414-S 216409 1/2
A 7 C-304-S 216408 1/2
B 13 C-415-S 216410 5/8

Condenser Coils

NOTE: Coils are aluminum

Micro-Channel and require

aluminum to copper brazing.

Code

30

31

Condenser Coil Guard,
Option AZ12

P/N’s & Sizes of coils used prior to 10/2008.

IMPORTANT: The P/N’s listed in the table above are

not a direct replacement for these previously used

coils. Before ordering, check with your distributor or

the factory on availability or alternate replacement.

Code

30

31

P/N’s & Sizes of

coils used beginning

10/2008 (Serial No.

Code BHJ) - See

page 2 to decode

the Serial No.

Condenser Coil

(Lower Section)

Condenser Coil

(Upper Section )

Description

Condenser Coil

(Lower Section)

Condenser Coil

(Upper Section )

Description

MASA 60

and 90

255510

34x35

255509

21x35

MASA 60

and 90

217166

34x35

217167

21x35

MASA 120

and 150

255511

34x60

255508

20x60

MASA 120

and 150

217168

34x60

217169

20x60

MASA

180

217170

38x84

217171

19x84

MASA 180

and 240

255513

30x84

255512

20x84

MASA

240

220948

30x84

220949

20x84

Code Description MASA 60 and 90 MASA 120 and 150 MASA 180 and 240

50 Condenser Coil Guard, Option AZ12 220607 220608 220609

Components:

51 Tek #10-16x3/4 Hex Zinc Pl (3) 51356 (4) 51356

52 Screw 3/4 Type Ab Hex Screw (3) 99542 (5) 99542

53 Flat Washer 3/16 #10 (6) 113807 (9) 113807

54 Condenser Coil Guard 220285 220284 220283

P-COND (11-14), P/N 268631R2, Page 6

Cabinet Parts

60

60A

66

62

65

67

64

61

69

72

70

71

74

73

Cabinet Parts for
MASA Sizes 120,

150, 180, 240

75

63

68

NOTE: If cabinet parts not
shown are required, contact
your distributor or the factory
service department.

Cabinet Parts for

MASA Sizes 60, 90

60A

60

69

65

63

66

61

64

67

73

74

72

70

68

62

Code Description 60, 90 120, 150 180, 240

60 Access Panel Assembly 217182

Access Panel Latch, Southco #E5-2-005-071 (2) 223351

60A

Pull Tab (2) 204470
61 Left Compressor Compartment Service Panel 217161
62 Right Compressor Compartment Service Panel 217160
63 Clip-on Nut for Service Panels (2) 221262
64 Grommet 1-3/8" 19816
65 Grommet 7/8" 107607
66 Grommet 1/2" (2) 111067
67 Grommet SR 3/4" (2) 220545
68 Compressor End Right Corner Post 217172
69 Compressor End Left Corner Post 216718

217175 217120 216723



217121 216731

217115 217114 217113



P-COND (11-14), P/N 268631R2, Page 7

217174 217173

70

Solid Side Panel

71

72 Solid End Panel (includes corners) 217147
73 Control Compartment Top 216422
74

Condenser Section Top

75

76

Reznor Label 196689

77

Cabinet Touchup Paint 201805, 11 oz spray can

Rawal Valve Options

Rawal Valve

CUG4

Internal Capacity Control

on 2/3 Circuit Only

B Circuit

Model Size

CUG4

Rawal Valve P/N 261613 259506 259507 263944

60 90 120 150 180 240

B Circuit B Circuit B Circuit B Circuit

P-COND (11-14), P/N 268631R2, Page 8

Rawal Valve Options (Cont’d)

B Circuit

Rawal Valve

A Circuit

CUG5

Internal Capacity Control

on Both Circuits

Model Size

CUG5

A Circuit B Circuit A Circuit B Circuit A Circuit B Circuit A Circuit B Circuit A Circuit B Circuit

Rawal Valve P/N 259506 261613 259507 261613 259506 259507 259506 263944 259506 263944

90 120 150 180 240

P-COND (11-14), P/N 268631R2, Page 9

NOTES:

P-COND (11-14), P/N 268631R2, Page 10

NOTES:

P-COND (11-14), P/N 268631R2, Page 11



P-COND (11-14), P/N 268631R2, Page 12

www.ReznorHVAC.com; [phone]

©2014 Reznor LLC, All rights reserved.

Trademark Notes: Reznor® is registered in at least the United Sates.
All other trademarks are the property of their respective owners.

Form P-COND (Version 11-14)