TTM321MA-S1D

Trenton Refrigeration TTM two-way evaporator.

Specifications

Specification	Value	Conditions	Source
fan qty	3 count		p.4 ✓
motor fla	4.5 amps		p.4
motor watts	156 watts		p.4
mca	4.9 amps		p.4
mop	15 amps		p.4
capacity	20700 btu_h	td f: 10; refrigerant: R407A/R407C/R448A/R449A; evap temp f printed: 20/25	p.3
	20500 btu_h	td f: 10; evap temp f: 15; refrigerant: R407A/R407C/R448A/R449A	p.3
	20300 btu_h	td f: 10; evap temp f: 10; refrigerant: R407A/R407C/R448A/R449A	p.3
	16800 btu_h	td f: 10; refrigerant: R404A/R507; evap temp f printed: 20/25	p.3
	16600 btu_h	td f: 10; evap temp f: 15; refrigerant: R404A/R507	p.3
	16500 btu_h	td f: 10; evap temp f: 10; refrigerant: R404A/R507	p.3
airflow	2850 cfm		p.3
	1345 l_s		p.3
refrigerant charge	4.6 lb	refrigerant: R407A/R407C/R448A/R449A	p.3
	2.1 kg	refrigerant: R407A/R407C/R448A/R449A	p.3
	4.2 lb	refrigerant: R404A/R507	p.3
	1.9 kg	refrigerant: R404A/R507	p.3
awef rating	9 ratio	refrigerant: R404A/R507	p.14 ✓
	9 ratio	refrigerant: R407A	p.14
	9 ratio	refrigerant: R448A/R449A	p.14
suction od	1 1/8 inches		p.14
	29 mm		p.14
distributor inlet	0.5 inches		p.14
	13 mm		p.14
hot gas connection	0.5 inches		p.14
	13 mm		p.14
shipping weight	157 lb		p.14
	71 kg		p.14
voltage	115 V		p.?
phase	1 ph		p.?
frequency	60 Hz		p.?

Sources:

. Extraction with per-cell provenance. Verify before purchase. Variants from distributor API snapshot.

Orderable variants (1)

Variant	Voltage	Availability
TTM321MA-S1D	115/1/60	Check availability

Nomenclature

Position / meaning	Value
capacity code	21
capacity mbh	21
defrost	A
fan count	3
generation suffix	D
temp class	M
voltage	S1

Parts

10 factory parts for this unit: 10from the manufacturer's selection documents, 0 from Trenton service parts records. Prices are manufacturer list.

Expansion and refrigerant circuit

Where several valves of one kind are listed, they are the manufacturer's selection options: which one a unit carries depends on the operating conditions shown. The service parts rows show what a documented build was actually fitted with.

Part	Part number	Description	Qty	List	Availability
Distributor nozzle	L2✓	Distributor nozzle, Sporlan (Parker Hannifin)	-	-	Check availability
Electronic expansion valve	E2V18order as E2V18FWBC0✓	Electronic expansion valve (EEV), Carel	-	-	Check availability
Safety check valve	CSOV-9S✓	Safety check valve	-	-	Check availability
Safety shutoff solenoid	SSOV-6✓	Safety shutoff solenoid valve	-	-	Check availability
Solenoid valve	5✓	Solenoid valve	-	-	Check availability
Solenoid valve	6✓	Solenoid valve	-	-	Check availability
Solenoid valve	E5order as E5S130✓	refrigerant: R454A; Solenoid valve — refrigerant: R448A/R449A/R407A/R407C/ R454C/R455A; Solenoid valve — refrigerant: R404A/R507; Solenoid valve	-	-	Check availability
TXV	SBQSE-C-C✓	refrigerant: R404A/R507; Thermostatic expansion valve (TXV) — refrigerant: <as printed for the sub-table, see refrigerant_columns>	-	-	Check availability
TXV	SBQTE-B-C✓	refrigerant: R454A	-	-	Check availability
TXV	SBQVE-B-C✓	refrigerant: R448A/R449A/R407A/R407C/ R454C/R455A; Thermostatic expansion valve (TXV) — refrigerant: <as printed for the sub-table, see refrigerant_columns>	-	-	Check availability

Sources: manufacturer selection documents (page-cited) and Trenton service parts records. NLA: no longer available from the manufacturer. Verify before purchase.

Cross references

Brand	Equivalent model	Basis
KeepRite	KTM321MA-S1D	shared catalog stem ✓
Bally	BTM321MA-S1D	shared catalog stem ✓

In progress: cross-brand replacements by specification matching.

Frequently asked questions

What is the capacity of TTM321MA-S1D?

TTM321MA-S1D has a rated capacity of 20700 btu_h. See the specifications table for rating conditions.

What voltage does TTM321MA-S1D require?

TTM321MA-S1D runs on 115 V supply power.

Related models in TTM

Independent reference. Not affiliated with any manufacturer. Verify specifications against manufacturer documentation before purchase.