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Installation, Operation, and Maintenance
Wall-Mount Air Handlers
1.5 – 3 Ton
5TMM5B0A30M21SA
5TMM5B0B30M21SA
5TMM5B0B36M31SA
5TMM5B0C36M31SA
Only qualified personnel should install and service the equipment. The installation, starting up, and servicing of heating, ventilating, and air-conditioning
equipment can be hazardous and requires specific knowledge and training. Improperly installed, adjusted or altered equipment by an unqualified person
could result in death or serious injury. When working on the equipment, observe all precautions in the literature and on the tags, stickers, and labels that
are attached to the equipment.
December 2024
S S A A F F E E T T Y Y W W A A R R N N I I N N G G
1 1 8 8 - - G G F F 8 8 4 4 D D 1 1 - - 1 1 B B - - E E N N
N N o o t t e e : : The 5TMM5 series wall mount air handler is
designed for installation in a closet, utility room,
alcove and can be wall mounted. These versatile
units are applicable to air conditioning and heat
pump applications. Field installed electric
resistance heaters are available.
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Summary of Contents for Trane Technologies 5TMM5B0A30M21SA
- Page 1 Installation, Operation, and Maintenance Wall-Mount Air Handlers 1.5 – 3 Ton 5TMM5B0A30M21SA 5TMM5B0B30M21SA 5TMM5B0B36M31SA 5TMM5B0C36M31SA N N o o t t e e : : The 5TMM5 series wall mount air handler is designed for installation in a closet, utility room, alcove and can be wall mounted.
- Page 2 Safety Section I I m m p p o o r r t t a a n n t t : : This document contains a wiring diagram, W W A A R R N N I I N N G G a parts list, and service information.
- Page 3 S S a a f f e e t t y y S S e e c c t t i i o o n n W W A A R R N N I I N N G G W W A A R R N N I I N N G G H H A A Z Z A A R R D D O O U U S S V V O O L L T T A A G G E E ! ! W W A A R R N N I I N N G G ! !
- Page 4 S S a a f f e e t t y y S S e e c c t t i i o o n n Features I I m m p p o o r r t t a a n n t t : : Installation of this unit shall be made in accordance with the National Electric Code, Table 1.
- Page 5 Table of Contents Product Background ......6 Connecting Refrigerant Lines ....23 Information on Servicing .
- Page 6 Product Background These air handlers are versatile upflow only models • M M o o d d u u l l a a r r E E l l e e c c t t r r i i c c H H e e a a t t K K i i t t s s : Heat kits available that can be recess mounted or flush mounted onto with either circuit breakers or terminal blocks.
- Page 7 Information on Servicing All replacement parts shall be in accordance with the – refrigerating pipe or components are installed in manufacturer's specifications. a position where they are unlikely to be exposed to any substance which may corrode refrigerant containing components, unless the components Prior to Beginning Work are constructed of materials which are inherently resistant to being corroded or are...
- Page 8 I I n n f f o o r r m m a a t t i i o o n n o o n n S S e e r r v v i i c c i i n n g g Charging Procedures be calibrated in a refrigerant-free area.) Ensure that the detector is not a potential source of ignition and...
- Page 9 I I n n f f o o r r m m a a t t i i o o n n o o n n S S e e r r v v i i c c i i n n g g shall not be heated by an open flame or other ignition 4.
- Page 10 Outline Drawing 5TMM5B0B30M21SA 5TMM5B0A30M21SA 5TMM5B0B36M31SA 5TMM5B0C36M31SA PRODUCT DIMENSIONS Cabi- Cabi- Cabinet Bottom Front Return Supply / Height (D") (E") (F") Return Air Handler Model Opening Width Depth Top Outlet (A") Opening (B") (C") 5TMM5B0A30M21- 12.00" x 36.00 20.50 15.00 18.00 19.25...
- Page 11 Refrigerant Leak Detection System For all tables contained in this section of the manual, • Turning on the blower of the indoor unit to dilute the refrigerant charge is the total system charge which leaked refrigerant; is marked on the system according to the instructions •...
- Page 12 R R e e f f r r i i g g e e r r a a n n t t L L e e a a k k D D e e t t e e c c t t i i o o n n S S y y s s t t e e m m Table 3.
- Page 13 R R e e f f r r i i g g e e r r a a n n t t L L e e a a k k D D e e t t e e c c t t i i o o n n S S y y s s t t e e m m 2.
- Page 14 Unit Clearances This unit is designed for zero clearance installation on C C o o n n d d e e n n s s a a t t e e D D r r a a i i n n P P r r e e p p a a r r a a t t i i o o n n three sides and adequate clearance to provide access •...
- Page 15 U U n n i i t t C C l l e e a a r r a a n n c c e e s s Figure 4. Condensate Drain Trap On any job, non-flammable flexible collars should be used for the return air and discharge connections to prevent transmission of vibration (See figure below).
- Page 16 U U n n i i t t C C l l e e a a r r a a n n c c e e s s Figure 7. Front Access Panel Figure 8. Filter Rack It is recommended that wherever supply and return air sheet metal ducts pass through unconditioned areas, they be insulated to pre- vent excessive heat loss during heating operation.
- Page 17 Installation Instructions C C A A U U T T I I O O N N C C A A U U T T I I O O N N C C A A U U T T I I O O N N ! ! C C A A U U T T I I O O N N ! ! E E n n s s u u r r e e t t h h a a t t t t h h e e u u n n i i t t i i s s a a d d e e q q u u a a t t e e l l y y s s i i z z e e d d .
- Page 18 I I n n s s t t a a l l l l a a t t i i o o n n I I n n s s t t r r u u c c t t i i o o n n s s M M o o u u n n t t i i n n g g A A i i r r H H a a n n d d l l e e r r t t o o W W a a l l l l secured on the wall.
- Page 19 TXV Replacement W W A A R R N N I I N N G G It is recommended that the TXV bulb be installed parallel to the ground (on a horizontal plane). The bulb O O V V E E R R H H E E A A T T I I N N G G ! ! position should be at 2 o'clock or 10 o'clock.
- Page 20 T T X X V V R R e e p p l l a a c c e e m m e e n n t t Figure 10. Recommended location for vertical TXV bulb mount 2. Remove the existing flowrater piston using a small wire or pick.
- Page 21 T T X X V V R R e e p p l l a a c c e e m m e e n n t t 5. Remove the valve from the box and note the location of the inlet side (threaded male port) and the outlet side (female swivel nut port).
- Page 22 T T X X V V R R e e p p l l a a c c e e m m e e n n t t W W A A R R N N I I N N G G W W A A R R N N I I N N G G ! ! W W h h e e n n h h a a n n d d l l i i n n g g o o r r m m a a n n i i p p u u l l a a t t i i n n g g t t h h e e e e q q u u a a l l i i z z e e r r t t u u b b e e , , t t a a k k e e g g r r e e a a t t c c a a r r e e n n o o t t t t o o k k i i n n k k o o r r m m a a k k e e e e x x t t r r e e m m e e...
- Page 23 Connecting Refrigerant Lines 1. Release nitrogen holding charge by depressing the 4. To avoid heat damage to grommets where present, Shrader Valve at the liquid line connection on the remove these prior to brazing by sliding them over air handler. If no gas releases from the air handler, the refrigerant lines and out of the way.
- Page 24 Leak Testing P P r r e e s s s s u u r r e e T T e e s s t t : : • Evacuate until the micron gauge reads no higher than 350 microns, then close off the valve to the •...
- Page 25 Electrical Information and Wiring W W A A R R N N I I N N G G If the line voltage being supplied to the air handler is 208- volt single phase, the line voltage tap on the low W W A A R R N N I I N N G G ! ! voltage transformer needs to be moved from the 240- D D i i s s c c o o n n n n e e c c t t A A L L L L p p o o w w e e r r b b e e f f o o r r e e s s e e r r v v i i c c i i n n g g o o r r...
- Page 26 Low Voltage Connections S S i i n n g g l l e e S S t t a a g g e e C C o o o o l l i i n n g g w w i i t t h h E E l l e e c c t t r r i i c c H H e e a a t t T T w w o o S S t t a a g g e e C C o o n n d d e e n n s s i i n n g g U U n n i i t t s s The air handler comes factory setup for a single stage If the outdoor condensing unit is a two-stage model, a...
- Page 27 Airflow Adjustments Air volume needs to be set to the level recommended relay. When two stage cooling units are used, both by the outdoor unit equipment manufacturer. Most the first and second stage fan speed taps will be systems will require around 400 CFM of indoor air for energized at the same time.
- Page 28 A A i i r r f f l l o o w w A A d d j j u u s s t t m m e e n n t t s s Table 4. External static pressure levels CFM vs.
- Page 29 System Charging W W A A R R N N I I N N G G T T X X V V : : If the unit is equipped with a fixed TXV, add refrigerant W W A A R R N N I I N N G G ! ! until the subcooling measures at the outdoor unit T T h h e e u u n n i i t t i i s s d d e e s s i i g g n n e e d d t t o o b b e e u u s s e e d d w w i i t t h h R R –...
- Page 30 Blower Removal Instructions S S t t y y l l e e 1 1 W W a a l l l l M M o o u u n n t t ( ( 5 5 T T T T M M 5 5 B B 0 0 B B 3 3 0 0 M M 2 2 1 1 S S A A & & 5 5 T T T T M M 5 5 B B 0 0 B B 3 3 6 6 M M 3 3 1 1 S S A A ) ) : : 1.
- Page 31 B B l l o o w w e e r r R R e e m m o o v v a a l l I I n n s s t t r r u u c c t t i i o o n n s s Electrical 4.
- Page 32 B B l l o o w w e e r r R R e e m m o o v v a a l l I I n n s s t t r r u u c c t t i i o o n n s s 7.
- Page 33 Electrical Wiring Diagram 18-GF84D1-1B-EN...
- Page 34 Field Wiring Diagram 18-GF84D1-1B-EN...
- Page 35 Performance and Electrical Data Table 5. Performance and Electrical Data 5TMM5B0A30M21SA, 5TMM5B0B30M21SA 240 Volt 208 Volt Number Number of Contains Capacity Heater Capacity Heater Rated Control Heater Model No. Heater Circuit Amps Amps Voltage Stages Circuits Racks Breakers BTUH BTUH...
- Page 36 Minimum Airflow CFM Model Heater Speed Tap Minimum CFM Required for BAYHTRA505BRKA 5TMM5B0A30M21SA BAYHTRA508BRKA 5TMM5B0B30M21SA BAYHTRA510BRKA BAYHTRA505BRKA 5TMM5B0B36M31SA BAYHTRA508BRKA BAYHTRA510BRKA BAYHTRA505BRKA 1031 5TMM5B0C36M31SA BAYHTRA508BRKA 1207 BAYHTRA510BRKA 1207 18-GF84D1-1B-EN...
- Page 37 Heater Pressure Drop Table Number of Elements Heater Elements Airflow Heater Model No. of Heater Elements Pressure Drop — (“W.C.) BAYHTRA505BRKA 0.01 0.03 BAYHTRA508BRKA 0.01 0.03 BAYHTRA510BRKA 0.01 0.03 0.01 0.03 1000 0.01 0.03 1100 0.01 0.03 1200 0.01 0.04 1300 0.02 0.04...
- Page 38 Checkout Procedures The final phase of the installation is the system Checkout Procedures. The following list represents the most common items covered in a Checkout Procedure. Confirm all requirements in this document have been met. ☐ All wiring connections are tight and properly secured. ☐...
- Page 39 N N o o t t e e s s 18-GF84D1-1B-EN...
- Page 40 About Trane and American Standard Heating and Air Conditioning Trane and American Standard create comfortable, energy efficient indoor environments for residential applications. 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 specifications without notice. We are committed to using environmentally conscious print practices.
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